$DZSI
DZS INC. Stock $dzsi

$dzsi Overview Financials Valuation SEC Filings Company Website

2024 Q3 Form 10-Q Financial Statement

#000110168024000091 Filed on August 13, 2024

Income Statement

Concept	2024 Q3	2023 Q2
Revenue	$38.15M	$60.35M
YoY Change	-22.85%	-33.74%
Cost Of Revenue	$26.92M	$43.38M
YoY Change	-43.34%	-34.4%
Gross Profit	$11.23M	$16.96M
YoY Change	481.31%	-31.99%
Gross Profit Margin	29.42%	28.11%
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development	$10.66M	$15.04M
YoY Change	-16.53%	21.82%
% of Gross Profit	94.93%	88.67%
Depreciation & Amortization
YoY Change
% of Gross Profit
Operating Expenses	$33.23M	$40.53M
YoY Change	-8.51%	20.32%
Operating Profit	-$22.00M	-$23.56M
YoY Change	-36.02%	169.64%
Interest Expense
YoY Change
% of Operating Profit
Other Income/Expense, Net	$82.00K	$111.0K
YoY Change	-89.91%	-276.19%
Pretax Income	-$24.10M	-$24.50M
YoY Change	-31.14%	172.22%
Income Tax	$1.600M	$300.0K
% Of Pretax Income
Net Earnings	-$25.65M	-$24.84M
YoY Change	-24.6%	312.01%
Net Earnings / Revenue	-67.23%	-41.15%
Basic Earnings Per Share	-$0.67	-$0.80
Diluted Earnings Per Share	-$0.67	-$0.80
COMMON SHARES
Basic Shares Outstanding	38.02M shares	31.16M shares
Diluted Shares Outstanding	38.08M shares	31.22M shares

Balance Sheet

Concept	2024 Q3	2023 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$4.297M	$9.662M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory	$79.09M	$115.3M
Prepaid Expenses
Receivables
Other Receivables	$962.0K	$23.63M
Total Short-Term Assets	$134.2M	$245.1M
YoY Change	-37.42%	9.12%
LONG-TERM ASSETS
Property, Plant & Equipment	$2.930M	$6.694M
YoY Change	-52.02%	-32.03%
Goodwill		$12.59M
YoY Change		-56.54%
Intangibles	$25.84M	$29.10M
YoY Change	-6.98%	25.67%
Long-Term Investments
YoY Change
Other Assets	$11.06M	$16.49M
YoY Change	-29.87%	60.63%
Total Long-Term Assets	$44.28M	$75.42M
YoY Change	-38.25%	-13.55%
TOTAL ASSETS
Total Short-Term Assets	$134.2M	$245.1M
Total Long-Term Assets	$44.28M	$75.42M
Total Assets	$178.5M	$320.5M
YoY Change	-37.63%	2.78%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses
YoY Change
Deferred Revenue	$12.11M	$13.49M
YoY Change	19.33%	-34.03%
Short-Term Debt
YoY Change
Long-Term Debt Due		$23.36M
YoY Change		1768.4%
Total Short-Term Liabilities	$110.1M	$196.5M
YoY Change	-33.82%	57.23%
LONG-TERM LIABILITIES
Long-Term Debt
YoY Change
Other Long-Term Liabilities	$2.936M	$1.900M
YoY Change	63.75%	-36.45%
Total Long-Term Liabilities	$2.936M	$1.900M
YoY Change	-90.55%	-92.81%
TOTAL LIABILITIES
Total Short-Term Liabilities	$110.1M	$196.5M
Total Long-Term Liabilities	$2.936M	$1.900M
Total Liabilities	$146.2M	$224.3M
YoY Change	-34.19%	19.48%
SHAREHOLDERS EQUITY
Retained Earnings	-$286.1M	-$177.3M
YoY Change	35.38%	83.8%
Common Stock	$317.3M	$281.4M
YoY Change	11.67%	22.34%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$32.33M	$96.18M
YoY Change
Total Liabilities & Shareholders Equity	$178.5M	$320.5M
YoY Change	-37.63%	2.78%

Cashflow Statement

Concept	2024 Q3	2023 Q2
OPERATING ACTIVITIES
Net Income	-$25.65M	-$24.84M
YoY Change	-24.6%	312.01%
Depreciation, Depletion And Amortization
YoY Change
Cash From Operating Activities
YoY Change
INVESTING ACTIVITIES
Capital Expenditures
YoY Change
Acquisitions
YoY Change
Other Investing Activities
YoY Change
Cash From Investing Activities
YoY Change
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities
YoY Change
NET CHANGE
Cash From Operating Activities
Cash From Investing Activities
Cash From Financing Activities
Net Change In Cash
YoY Change
FREE CASH FLOW
Cash From Operating Activities
Capital Expenditures
Free Cash Flow
YoY Change

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2022Q1	us-gaap	Accounting Standards Update Extensible List AccountingStandardsUpdateExtensibleList	http://fasb.org/us-gaap/2023#AccountingStandardsUpdate201613Member
CY2023Q2	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1
CY2023Q2	us-gaap	Revenue Remaining Performance Obligation Percentage RevenueRemainingPerformanceObligationPercentage	0.29
CY2023Q2	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	5504000	usd
CY2022Q4	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	7788000	usd
CY2023Q2	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	9313000	usd
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	11417000	usd
CY2023Q2	us-gaap	Defined Benefit Pension Plan Liabilities Noncurrent DefinedBenefitPensionPlanLiabilitiesNoncurrent	11076000	usd
CY2022Q4	us-gaap	Defined Benefit Pension Plan Liabilities Noncurrent DefinedBenefitPensionPlanLiabilitiesNoncurrent	11021000	usd
CY2023Q2	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	1900000	usd
CY2022Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	2806000	usd
CY2023Q2	us-gaap	Liabilities Liabilities	224311000	usd
CY2022Q4	us-gaap	Liabilities Liabilities	234579000	usd
CY2023Q2	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2022Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2023Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	72000000	shares
CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	36000000	shares
CY2023Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	31425000	shares
CY2023Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	31425000	shares
CY2022Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	30968000	shares
CY2022Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	30968000	shares
CY2022Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2023Q2	us-gaap	Common Stock Value CommonStockValue	31000	usd
CY2022Q4	us-gaap	Common Stock Value CommonStockValue	30000	usd
CY2023Q2	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.001
CY2022Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.001
CY2023Q2	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	25000000	shares
CY2022Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	25000000	shares
CY2022Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2023Q2	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2023Q2	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2022Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2023Q2	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	281349000	usd
CY2022Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	271884000	usd
CY2023Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-7877000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-4662000	usd
CY2023Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-177324000	usd
CY2022Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-128670000	usd
CY2023Q2	us-gaap	Stockholders Equity StockholdersEquity	96179000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	138582000	usd
CY2023Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	320490000	usd
CY2022Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	373161000	usd
CY2023Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	60348000	usd
CY2022Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	82948000	usd
CY2023Q2	us-gaap	Cost Of Revenue CostOfRevenue	43384000	usd
CY2022Q2	us-gaap	Gross Profit GrossProfit	23285000	usd
CY2023Q2	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	15042000	usd
CY2022Q2	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	12348000	usd
CY2023Q2	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	23069000	usd
CY2022Q2	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	20513000	usd
CY2023Q2	dzsi	Restructuring And Other Charges RestructuringAndOtherCharges	594000	usd
CY2022Q2	dzsi	Restructuring And Other Charges RestructuringAndOtherCharges	356000	usd
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	412000	usd
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	-896000	usd
	dzsi	Provision For Sales Return ProvisionForSalesReturn	839000	usd
	dzsi	Provision For Sales Return ProvisionForSalesReturn	2080000	usd
	dzsi	Provision For Warranty ProvisionForWarranty	183000	usd
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-1417000	usd
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-711000	usd
	us-gaap	Deconsolidation Gain Or Loss Amount DeconsolidationGainOrLossAmount	0	usd
	us-gaap	Deconsolidation Gain Or Loss Amount DeconsolidationGainOrLossAmount	68000	usd
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-54000	usd
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	68000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-51750000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	9605000	usd
	us-gaap	Increase Decrease In Other Receivables IncreaseDecreaseInOtherReceivables	8577000	usd
	us-gaap	Increase Decrease In Other Receivables IncreaseDecreaseInOtherReceivables	4405000	usd
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	27413000	usd
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	26023000	usd
	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	14000	usd
	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	-818000	usd
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	1722000	usd
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	2420000	usd
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-14951000	usd
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	19122000	usd
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-7405000	usd
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	1040000	usd
	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	607000	usd
	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	-379000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-35967000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-30935000	usd
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	1829000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1196000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1764000	usd
CY2023Q2	us-gaap	Asset Impairment Charges AssetImpairmentCharges	499000	usd
CY2022Q2	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	usd
CY2023Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1321000	usd
CY2022Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	464000	usd
CY2023Q2	us-gaap	Operating Expenses OperatingExpenses	40525000	usd
CY2022Q2	us-gaap	Operating Expenses OperatingExpenses	33681000	usd
CY2023Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	-23561000	usd
CY2022Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	-10396000	usd
CY2023Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-1042000	usd
CY2022Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-164000	usd
CY2023Q2	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	111000	usd
CY2022Q2	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-63000	usd
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	839000	usd
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-863000	usd
CY2023Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-24492000	usd
CY2022Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-10623000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-47117000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-16438000	usd
CY2023Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	344000	usd
CY2022Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1941000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1537000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3712000	usd
CY2023Q2	us-gaap	Net Income Loss NetIncomeLoss	-24836000	usd
CY2022Q2	us-gaap	Net Income Loss NetIncomeLoss	-12564000	usd
	us-gaap	Net Income Loss NetIncomeLoss	-48654000	usd
	us-gaap	Net Income Loss NetIncomeLoss	-20150000	usd
CY2023Q2	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-1204000	usd
CY2022Q2	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-4531000	usd
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-3093000	usd
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-4799000	usd
CY2023Q2	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-62000	usd
CY2022Q2	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	0	usd
	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-122000	usd
	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	0	usd
CY2023Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-26102000	usd
CY2022Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-17095000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-51869000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-24949000	usd
CY2023Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.80
CY2022Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.45
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.56
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.73
CY2023Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.80
CY2022Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.45
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	8683000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	25323000	usd
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-889000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-27740000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-30497000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	38464000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	53639000	usd
CY2023Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	10724000	usd
CY2022Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	23142000	usd
CY2023Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	9662000	usd
CY2022Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	17125000	usd
CY2023Q2	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	913000	usd
CY2022Q2	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	5862000	usd
CY2023Q2	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	149000	usd
CY2022Q2	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	155000	usd
CY2023Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	10724000	usd
CY2022Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	23142000	usd
	us-gaap	Interest Paid Net InterestPaidNet	1402000	usd
	us-gaap	Interest Paid Net InterestPaidNet	36000	usd
	dzsi	Interest Paid To Related Party InterestPaidToRelatedParty	121000	usd
	dzsi	Interest Paid To Related Party InterestPaidToRelatedParty	0	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	640000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	749000	usd
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.56
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.73
CY2023Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	31222000	shares
CY2022Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	27657000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	31132000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	27593000	shares
CY2023Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	31222000	shares
CY2022Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	27657000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	31132000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	27593000	shares
CY2023Q2	dzsi	Other Comprehensive Income Net Gain Loss On Intra Entity Foreign Currency Transactions Arising During Period Net Of Tax OtherComprehensiveIncomeNetGainLossOnIntraEntityForeignCurrencyTransactionsArisingDuringPeriodNetOfTax	100000	usd
	dzsi	Other Comprehensive Income Net Gain Loss On Intra Entity Foreign Currency Transactions Arising During Period Net Of Tax OtherComprehensiveIncomeNetGainLossOnIntraEntityForeignCurrencyTransactionsArisingDuringPeriodNetOfTax	200000	usd
CY2022Q2	dzsi	Other Comprehensive Income Net Gain Loss On Intra Entity Foreign Currency Transactions Arising During Period Net Of Tax OtherComprehensiveIncomeNetGainLossOnIntraEntityForeignCurrencyTransactionsArisingDuringPeriodNetOfTax	-800000	usd
	dzsi	Other Comprehensive Income Net Gain Loss On Intra Entity Foreign Currency Transactions Arising During Period Net Of Tax OtherComprehensiveIncomeNetGainLossOnIntraEntityForeignCurrencyTransactionsArisingDuringPeriodNetOfTax	-1200000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	138582000	usd
CY2023Q1	dzsi	Stock Issued During Period Value Exercise Of Stock Awards And Employee Stock Purchase Plan StockIssuedDuringPeriodValueExerciseOfStockAwardsAndEmployeeStockPurchasePlan	-87000	usd
CY2023Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	4486000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	-23818000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-1949000	usd
CY2023Q1	us-gaap	Stockholders Equity StockholdersEquity	117214000	usd
CY2023Q2	dzsi	Stock Issued During Period Value Exercise Of Stock Awards And Employee Stock Purchase Plan StockIssuedDuringPeriodValueExerciseOfStockAwardsAndEmployeeStockPurchasePlan	741000	usd
CY2023Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	4326000	usd
CY2023Q2	us-gaap	Net Income Loss NetIncomeLoss	-24836000	usd
CY2023Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-1266000	usd
CY2023Q2	us-gaap	Stockholders Equity StockholdersEquity	96179000	usd
CY2022Q1	dzsi	Stock Issued During Period Value Exercise Of Stock Awards And Employee Stock Purchase Plan StockIssuedDuringPeriodValueExerciseOfStockAwardsAndEmployeeStockPurchasePlan	156000	usd
CY2022Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2671000	usd
CY2022Q1	us-gaap	Net Income Loss NetIncomeLoss	-7586000	usd
CY2022Q1	us-gaap	Noncontrolling Interest Decrease From Deconsolidation NoncontrollingInterestDecreaseFromDeconsolidation	68000	usd
CY2022Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-268000	usd
CY2022Q1	us-gaap	Stockholders Equity StockholdersEquity	126411000	usd
CY2022Q2	dzsi	Stock Issued During Period Value Exercise Of Stock Awards And Employee Stock Purchase Plan StockIssuedDuringPeriodValueExerciseOfStockAwardsAndEmployeeStockPurchasePlan	938000	usd
CY2022Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2868000	usd
CY2022Q2	us-gaap	Net Income Loss NetIncomeLoss	-12564000	usd
CY2022Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-4531000	usd
CY2022Q2	us-gaap	Stockholders Equity StockholdersEquity	113122000	usd
	us-gaap	Profit Loss ProfitLoss	-48654000	usd
	us-gaap	Profit Loss ProfitLoss	-20150000	usd
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	4529000	usd
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	2442000	usd
	dzsi	Impairment Of Long Lived Assets And Non Cash Restructuring ImpairmentOfLongLivedAssetsAndNonCashRestructuring	499000	usd
	dzsi	Impairment Of Long Lived Assets And Non Cash Restructuring ImpairmentOfLongLivedAssetsAndNonCashRestructuring	0	usd
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	175000	usd
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	72000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	8812000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	5539000	usd
	us-gaap	Inventory Write Down InventoryWriteDown	3570000	usd
	us-gaap	Inventory Write Down InventoryWriteDown	1072000	usd
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	412000	usd
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	-896000	usd
	dzsi	Provision For Sales Return ProvisionForSalesReturn	839000	usd
	dzsi	Provision For Sales Return ProvisionForSalesReturn	2080000	usd
	dzsi	Provision For Warranty ProvisionForWarranty	105000	usd
	dzsi	Provision For Warranty ProvisionForWarranty	183000	usd
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-1417000	usd
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-711000	usd
	us-gaap	Deconsolidation Gain Or Loss Amount DeconsolidationGainOrLossAmount	68000	usd
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-54000	usd
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	68000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-51750000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	9605000	usd
	us-gaap	Increase Decrease In Other Receivables IncreaseDecreaseInOtherReceivables	8577000	usd
	us-gaap	Increase Decrease In Other Receivables IncreaseDecreaseInOtherReceivables	4405000	usd
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	27413000	usd
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	26023000	usd
	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	14000	usd
	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	-818000	usd
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	1722000	usd
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	2420000	usd
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-14951000	usd
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	19122000	usd
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-7405000	usd
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	1040000	usd
	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	607000	usd
	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	-379000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-35967000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-30935000	usd
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	1829000	usd
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	65000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1196000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1764000	usd
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	usd
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	22297000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	633000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-23996000	usd
	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	0	usd
	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	25000000	usd
	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	625000	usd
	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	0	usd
	dzsi	Proceeds From Lines Of Credit And Short Term Debt ProceedsFromLinesOfCreditAndShortTermDebt	11710000	usd
	dzsi	Proceeds From Lines Of Credit And Short Term Debt ProceedsFromLinesOfCreditAndShortTermDebt	0	usd
	us-gaap	Proceeds From Related Party Debt ProceedsFromRelatedPartyDebt	7068000	usd
	us-gaap	Proceeds From Related Party Debt ProceedsFromRelatedPartyDebt	0	usd
	us-gaap	Repayments Of Related Party Debt RepaymentsOfRelatedPartyDebt	9580000	usd
	us-gaap	Repayments Of Related Party Debt RepaymentsOfRelatedPartyDebt	0	usd
	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	197000	usd
	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	771000	usd
	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	347000	usd
	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	0	usd
	dzsi	Proceeds From Exercise Of Stock Awards And Employee Stock Plan Purchases ProceedsFromExerciseOfStockAwardsAndEmployeeStockPlanPurchases	654000	usd
	dzsi	Proceeds From Exercise Of Stock Awards And Employee Stock Plan Purchases ProceedsFromExerciseOfStockAwardsAndEmployeeStockPlanPurchases	1094000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	8683000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	25323000	usd
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-1089000	usd
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-889000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-30497000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	38464000	usd
CY2023Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	10724000	usd
CY2022Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	23142000	usd
CY2023Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	9662000	usd
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	usd
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	22297000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-23996000	usd
	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	0	usd
	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	25000000	usd
	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	625000	usd
	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	0	usd
	dzsi	Proceeds From Lines Of Credit And Short Term Debt ProceedsFromLinesOfCreditAndShortTermDebt	11710000	usd
	dzsi	Proceeds From Lines Of Credit And Short Term Debt ProceedsFromLinesOfCreditAndShortTermDebt	0	usd
	us-gaap	Proceeds From Related Party Debt ProceedsFromRelatedPartyDebt	7068000	usd
	us-gaap	Proceeds From Related Party Debt ProceedsFromRelatedPartyDebt	0	usd
	us-gaap	Repayments Of Related Party Debt RepaymentsOfRelatedPartyDebt	9580000	usd
	us-gaap	Repayments Of Related Party Debt RepaymentsOfRelatedPartyDebt	0	usd
	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	197000	usd
	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	0	usd
	dzsi	Proceeds From Exercise Of Stock Awards And Employee Stock Plan Purchases ProceedsFromExerciseOfStockAwardsAndEmployeeStockPlanPurchases	654000	usd
	dzsi	Proceeds From Exercise Of Stock Awards And Employee Stock Plan Purchases ProceedsFromExerciseOfStockAwardsAndEmployeeStockPlanPurchases	1094000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	8683000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	25323000	usd
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-1089000	usd
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-889000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-27740000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-30497000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	38464000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	53639000	usd
CY2023Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	10724000	usd
CY2022Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	23142000	usd
CY2023Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	9662000	usd
CY2022Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	17125000	usd
CY2022Q2	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	5862000	usd
CY2023Q2	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	149000	usd
CY2022Q2	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	155000	usd
CY2023Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	10724000	usd
CY2022Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	23142000	usd
	us-gaap	Interest Paid Net InterestPaidNet	1402000	usd
	us-gaap	Interest Paid Net InterestPaidNet	36000	usd
	dzsi	Interest Paid To Related Party InterestPaidToRelatedParty	121000	usd
	dzsi	Interest Paid To Related Party InterestPaidToRelatedParty	0	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	640000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	749000	usd
CY2022Q2	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	5862000	usd
CY2023Q2	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	149000	usd
CY2022Q2	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	155000	usd
CY2023Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	10724000	usd
CY2022Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	23142000	usd
	us-gaap	Interest Paid Net InterestPaidNet	36000	usd
	dzsi	Interest Paid To Related Party InterestPaidToRelatedParty	121000	usd
	dzsi	Interest Paid To Related Party InterestPaidToRelatedParty	0	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	749000	usd
	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-top:6pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:115%">(d) Use of Estimates</span></div>The preparation of the unaudited condensed consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the unaudited condensed consolidated financial statements and the reported amounts of revenue and expenses during the reporting period. Actual results could differ materially from those estimates.
CY2023Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	60348000	usd
CY2022Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	82948000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	130160000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	154938000	usd
	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-top:6pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:115%">(d) Use of Estimates</span></div>The preparation of the unaudited condensed consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the unaudited condensed consolidated financial statements and the reported amounts of revenue and expenses during the reporting period. Actual results could differ materially from those estimates.
CY2023Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	60348000	usd
CY2022Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	82948000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	130160000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	154938000	usd
CY2023Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	60348000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	130160000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	154938000	usd
CY2022Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	16184000	usd
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	17735000	usd
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	-896000	usd
	dzsi	Allowance For Doubtful Accounts Receivable Utilization And Write Offs Differences AllowanceForDoubtfulAccountsReceivableUtilizationAndWriteOffsDifferences	0	usd
	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-top:6pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:115%">(d) Use of Estimates</span></div>The preparation of the unaudited condensed consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the unaudited condensed consolidated financial statements and the reported amounts of revenue and expenses during the reporting period. Actual results could differ materially from those estimates.
CY2023Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	60348000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	130160000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	154938000	usd
CY2023Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	60348000	usd
CY2022Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	82948000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	154938000	usd
CY2023Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	60348000	usd
CY2022Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	82948000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	130160000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	154938000	usd
CY2022Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	16184000	usd
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	17735000	usd
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	-896000	usd
	dzsi	Allowance For Doubtful Accounts Receivable Utilization And Write Offs Differences AllowanceForDoubtfulAccountsReceivableUtilizationAndWriteOffsDifferences	0	usd
	dzsi	Allowance For Doubtful Accounts Receivable Utilization And Write Offs Differences AllowanceForDoubtfulAccountsReceivableUtilizationAndWriteOffsDifferences	0	usd
	dzsi	Allowance For Doubtful Accounts Receivable Foreign Exchange Impact AllowanceForDoubtfulAccountsReceivableForeignExchangeImpact	114000	usd
	dzsi	Allowance For Doubtful Accounts Receivable Foreign Exchange Impact AllowanceForDoubtfulAccountsReceivableForeignExchangeImpact	-936000	usd
CY2023Q2	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	16710000	usd
CY2022Q2	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	16304000	usd
CY2018Q4	us-gaap	Billed Contract Receivables BilledContractReceivables	59000000	usd
CY2020	us-gaap	Proceeds From Customers ProceedsFromCustomers	41700000	usd
	dzsi	Accounts Receivable Recovered AccountsReceivableRecovered	2500000	usd
CY2023Q2	us-gaap	Contract With Customer Asset Accumulated Allowance For Credit Loss ContractWithCustomerAssetAccumulatedAllowanceForCreditLoss	13100000	usd
CY2022Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	16184000	usd
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	17735000	usd
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	412000	usd
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	-896000	usd
	dzsi	Allowance For Doubtful Accounts Receivable Utilization And Write Offs Differences AllowanceForDoubtfulAccountsReceivableUtilizationAndWriteOffsDifferences	0	usd
	dzsi	Allowance For Doubtful Accounts Receivable Utilization And Write Offs Differences AllowanceForDoubtfulAccountsReceivableUtilizationAndWriteOffsDifferences	0	usd
	dzsi	Allowance For Doubtful Accounts Receivable Foreign Exchange Impact AllowanceForDoubtfulAccountsReceivableForeignExchangeImpact	114000	usd
	dzsi	Allowance For Doubtful Accounts Receivable Foreign Exchange Impact AllowanceForDoubtfulAccountsReceivableForeignExchangeImpact	-936000	usd
CY2023Q2	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	16710000	usd
CY2022Q2	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	16304000	usd
CY2020	us-gaap	Proceeds From Customers ProceedsFromCustomers	41700000	usd
	dzsi	Accounts Receivable Recovered AccountsReceivableRecovered	2500000	usd
CY2023Q2	us-gaap	Contract With Customer Asset Accumulated Allowance For Credit Loss ContractWithCustomerAssetAccumulatedAllowanceForCreditLoss	13100000	usd
	dzsi	Allowance For Doubtful Accounts Receivable Utilization And Write Offs Differences AllowanceForDoubtfulAccountsReceivableUtilizationAndWriteOffsDifferences	0	usd
	dzsi	Allowance For Doubtful Accounts Receivable Foreign Exchange Impact AllowanceForDoubtfulAccountsReceivableForeignExchangeImpact	114000	usd
	dzsi	Allowance For Doubtful Accounts Receivable Foreign Exchange Impact AllowanceForDoubtfulAccountsReceivableForeignExchangeImpact	-936000	usd
CY2023Q2	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	16710000	usd
CY2022Q2	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	16304000	usd
CY2018Q4	us-gaap	Billed Contract Receivables BilledContractReceivables	59000000	usd
CY2020	us-gaap	Proceeds From Customers ProceedsFromCustomers	41700000	usd
	dzsi	Accounts Receivable Recovered AccountsReceivableRecovered	2500000	usd
CY2023Q2	us-gaap	Contract With Customer Asset Accumulated Allowance For Credit Loss ContractWithCustomerAssetAccumulatedAllowanceForCreditLoss	13100000	usd
CY2022Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	1156000	usd
CY2021Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	2121000	usd
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements	-347000	usd
CY2022Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	1156000	usd
CY2021Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	2121000	usd
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements	-347000	usd
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements	-558000	usd
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Period Increase Decrease FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease	-214000	usd
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Period Increase Decrease FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease	-303000	usd
CY2023Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	595000	usd
CY2022Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	1260000	usd
CY2022Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	1156000	usd
CY2021Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	2121000	usd
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements	-347000	usd
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Period Increase Decrease FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease	-214000	usd
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Period Increase Decrease FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease	-303000	usd
CY2023Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	595000	usd
CY2022Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	1260000	usd
CY2023Q2	us-gaap	Restricted Cash Equivalents Noncurrent RestrictedCashEquivalentsNoncurrent	100000	usd
CY2022Q4	us-gaap	Restricted Cash Equivalents Noncurrent RestrictedCashEquivalentsNoncurrent	200000	usd
CY2023Q2	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	43185000	usd
CY2022Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	37354000	usd
CY2023Q2	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	954000	usd
CY2022Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	1049000	usd
CY2022Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	55885000	usd
CY2023Q2	us-gaap	Inventory Net InventoryNet	115329000	usd
CY2022Q4	us-gaap	Inventory Net InventoryNet	94288000	usd
CY2023Q2	us-gaap	Deferred Costs Current And Noncurrent DeferredCostsCurrentAndNoncurrent	26300000	usd
CY2022Q4	us-gaap	Deferred Costs Current And Noncurrent DeferredCostsCurrentAndNoncurrent	16400000	usd
	us-gaap	Inventory Write Down InventoryWriteDown	3600000	usd
CY2022Q2	us-gaap	Inventory Write Down InventoryWriteDown	400000	usd
	us-gaap	Inventory Write Down InventoryWriteDown	1100000	usd
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements	-558000	usd
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Period Increase Decrease FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease	-214000	usd
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Period Increase Decrease FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease	-303000	usd
CY2023Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	595000	usd
CY2022Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	1260000	usd
CY2023Q2	us-gaap	Restricted Cash Equivalents Noncurrent RestrictedCashEquivalentsNoncurrent	100000	usd
CY2022Q4	us-gaap	Restricted Cash Equivalents Noncurrent RestrictedCashEquivalentsNoncurrent	200000	usd
CY2023Q2	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	43185000	usd
CY2022Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	37354000	usd
CY2023Q2	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	954000	usd
CY2022Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	1049000	usd
CY2023Q2	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	71190000	usd
CY2023Q2	us-gaap	Inventory Net InventoryNet	115329000	usd
CY2022Q4	us-gaap	Inventory Net InventoryNet	94288000	usd
CY2022Q4	us-gaap	Deferred Costs Current And Noncurrent DeferredCostsCurrentAndNoncurrent	16400000	usd
CY2023Q2	us-gaap	Inventory Write Down InventoryWriteDown	2500000	usd
	us-gaap	Inventory Write Down InventoryWriteDown	3600000	usd
CY2022Q2	us-gaap	Inventory Write Down InventoryWriteDown	400000	usd
	us-gaap	Inventory Write Down InventoryWriteDown	1100000	usd
CY2023Q2	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	23235000	usd
CY2023Q2	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	16491000	usd
CY2022Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	21062000	usd
CY2023Q2	dzsi	Property Plantand Equipment Under Government Grants PropertyPlantandEquipmentUnderGovernmentGrants	50000	usd
CY2022Q4	dzsi	Property Plantand Equipment Under Government Grants PropertyPlantandEquipmentUnderGovernmentGrants	82000	usd
CY2023Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	6694000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	9478000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1900000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1700000	usd
	dzsi	Standard Product Warranty Term StandardProductWarrantyTerm	P1Y
	dzsi	Extended Product Warranty Term ExtendedProductWarrantyTerm	P5Y
CY2023Q2	us-gaap	Restricted Cash Equivalents Noncurrent RestrictedCashEquivalentsNoncurrent	100000	usd
CY2022Q4	us-gaap	Restricted Cash Equivalents Noncurrent RestrictedCashEquivalentsNoncurrent	200000	usd
CY2023Q2	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	43185000	usd
CY2022Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	37354000	usd
CY2023Q2	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	954000	usd
CY2022Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	1049000	usd
CY2023Q2	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	71190000	usd
CY2022Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	55885000	usd
CY2023Q2	us-gaap	Inventory Net InventoryNet	115329000	usd
CY2022Q4	us-gaap	Inventory Net InventoryNet	94288000	usd
CY2023Q2	us-gaap	Deferred Costs Current And Noncurrent DeferredCostsCurrentAndNoncurrent	26300000	usd
CY2022Q4	us-gaap	Deferred Costs Current And Noncurrent DeferredCostsCurrentAndNoncurrent	16400000	usd
CY2023Q2	us-gaap	Inventory Write Down InventoryWriteDown	2500000	usd
	us-gaap	Inventory Write Down InventoryWriteDown	3600000	usd
CY2022Q2	us-gaap	Inventory Write Down InventoryWriteDown	400000	usd
	us-gaap	Inventory Write Down InventoryWriteDown	1100000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	30622000	usd
CY2023Q2	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	16491000	usd
CY2022Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	21062000	usd
CY2023Q2	dzsi	Property Plantand Equipment Under Government Grants PropertyPlantandEquipmentUnderGovernmentGrants	50000	usd
CY2022Q4	dzsi	Property Plantand Equipment Under Government Grants PropertyPlantandEquipmentUnderGovernmentGrants	82000	usd
CY2023Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	6694000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	9478000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1900000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1700000	usd
	dzsi	Standard Product Warranty Term StandardProductWarrantyTerm	P1Y
	dzsi	Extended Product Warranty Term ExtendedProductWarrantyTerm	P5Y
CY2023Q2	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	23235000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	30622000	usd
CY2023Q2	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	16491000	usd
CY2022Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	21062000	usd
CY2023Q2	dzsi	Property Plantand Equipment Under Government Grants PropertyPlantandEquipmentUnderGovernmentGrants	50000	usd
CY2022Q4	dzsi	Property Plantand Equipment Under Government Grants PropertyPlantandEquipmentUnderGovernmentGrants	82000	usd
CY2023Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	6694000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	9478000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1900000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1700000	usd
	dzsi	Standard Product Warranty Term StandardProductWarrantyTerm	P1Y
	dzsi	Extended Product Warranty Term ExtendedProductWarrantyTerm	P5Y
CY2022Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	1896000	usd
CY2021Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	1980000	usd
	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	105000	usd
	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	183000	usd
	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	113000	usd
	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	229000	usd
	us-gaap	Standard And Extended Product Warranty Accrual Foreign Currency Translation Gain Loss StandardAndExtendedProductWarrantyAccrualForeignCurrencyTranslationGainLoss	18000	usd
	us-gaap	Standard And Extended Product Warranty Accrual Foreign Currency Translation Gain Loss StandardAndExtendedProductWarrantyAccrualForeignCurrencyTranslationGainLoss	-53000	usd
CY2023Q2	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	1906000	usd
CY2022Q2	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	1881000	usd
CY2022Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	576000	usd
CY2022Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	26493000	usd
CY2023Q2	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	590000	usd
CY2023Q2	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	18993000	usd
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	13000000.0	usd
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	2900000	usd
CY2023Q2	us-gaap	Revenue Remaining Performance Obligation Percentage RevenueRemainingPerformanceObligationPercentage	0.71
CY2023Q2	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P12M
CY2023Q2	us-gaap	Capitalized Contract Cost Net CapitalizedContractCostNet	900000	usd
CY2022Q4	us-gaap	Capitalized Contract Cost Net CapitalizedContractCostNet	1000000.0	usd
CY2022Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	1896000	usd
	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	183000	usd
	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	113000	usd
	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	229000	usd
	us-gaap	Standard And Extended Product Warranty Accrual Foreign Currency Translation Gain Loss StandardAndExtendedProductWarrantyAccrualForeignCurrencyTranslationGainLoss	18000	usd
	us-gaap	Standard And Extended Product Warranty Accrual Foreign Currency Translation Gain Loss StandardAndExtendedProductWarrantyAccrualForeignCurrencyTranslationGainLoss	-53000	usd
CY2023Q2	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	1906000	usd
CY2022Q2	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	1881000	usd
CY2022Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	576000	usd
CY2022Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	26493000	usd
CY2023Q2	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	590000	usd
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	13000000.0	usd
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	2900000	usd
CY2023Q2	us-gaap	Revenue Remaining Performance Obligation Percentage RevenueRemainingPerformanceObligationPercentage	0.71
CY2023Q2	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P12M
CY2023Q2	us-gaap	Capitalized Contract Cost Net CapitalizedContractCostNet	900000	usd
CY2022Q4	us-gaap	Capitalized Contract Cost Net CapitalizedContractCostNet	1000000.0	usd
	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	500000	usd
	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	500000	usd
CY2022Q4	us-gaap	Goodwill Gross GoodwillGross	13597000	usd
CY2021Q4	us-gaap	Goodwill Gross GoodwillGross	7148000	usd
CY2022Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	1003000	usd
CY2021Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	1003000	usd
	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	0	usd
	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	29000	usd
CY2022Q2	us-gaap	Goodwill Goodwill	21619000	usd
CY2023Q2	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	41827000	usd
CY2023Q2	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	12726000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	41827000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	10085000	usd
CY2023Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1300000	usd
CY2022Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	1896000	usd
	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	105000	usd
	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	183000	usd
	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	113000	usd
	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	229000	usd
	us-gaap	Standard And Extended Product Warranty Accrual Foreign Currency Translation Gain Loss StandardAndExtendedProductWarrantyAccrualForeignCurrencyTranslationGainLoss	18000	usd
	us-gaap	Standard And Extended Product Warranty Accrual Foreign Currency Translation Gain Loss StandardAndExtendedProductWarrantyAccrualForeignCurrencyTranslationGainLoss	-53000	usd
CY2023Q2	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	1906000	usd
CY2022Q2	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	1881000	usd
CY2022Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	576000	usd
CY2022Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	26493000	usd
CY2023Q2	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	590000	usd
CY2023Q2	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	18993000	usd
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	13000000.0	usd
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	2900000	usd
CY2023Q2	us-gaap	Revenue Remaining Performance Obligation Percentage RevenueRemainingPerformanceObligationPercentage	0.71
CY2023Q2	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P12M
CY2023Q2	us-gaap	Capitalized Contract Cost Net CapitalizedContractCostNet	900000	usd
CY2022Q4	us-gaap	Capitalized Contract Cost Net CapitalizedContractCostNet	1000000.0	usd
	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	500000	usd
CY2022Q4	us-gaap	Goodwill Gross GoodwillGross	13597000	usd
CY2021Q4	us-gaap	Goodwill Gross GoodwillGross	7148000	usd
CY2022Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	1003000	usd
CY2021Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	1003000	usd
	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	0	usd
	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	29000	usd
CY2022Q2	us-gaap	Goodwill Goodwill	21619000	usd
CY2023Q2	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	41827000	usd
CY2023Q2	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	12726000	usd
CY2023Q2	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	29101000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	31742000	usd
	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	500000	usd
CY2022Q4	us-gaap	Goodwill Gross GoodwillGross	13597000	usd
CY2021Q4	us-gaap	Goodwill Gross GoodwillGross	7148000	usd
CY2022Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	1003000	usd
	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	0	usd
	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	29000	usd
CY2023Q2	us-gaap	Goodwill Goodwill	12594000	usd
CY2022Q2	us-gaap	Goodwill Goodwill	21619000	usd
CY2023Q2	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	41827000	usd
CY2023Q2	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	12726000	usd
CY2023Q2	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	29101000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	41827000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	10085000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	31742000	usd
CY2023Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1300000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2600000	usd
CY2022Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	500000	usd
CY2023Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear	2641000	usd
CY2023Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	5283000	usd
CY2023Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	5278000	usd
CY2023Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	4095000	usd
CY2023Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	3143000	usd
CY2023Q2	dzsi	Finite Lived Intangible Assets Amortization Expense After Year Four FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFour	8661000	usd
CY2023Q2	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	29101000	usd
CY2023Q2	dzsi	Short Term Debt And Line Of Credit Facilities ShortTermDebtAndLineOfCreditFacilities	18597000	usd
CY2022Q4	dzsi	Short Term Debt And Line Of Credit Facilities ShortTermDebtAndLineOfCreditFacilities	9706000	usd
CY2023Q2	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	41952000	usd
CY2022Q4	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	33779000	usd
CY2023Q1	dzsi	Debt Instrument Covenant Ebitda Minimum Period One DebtInstrumentCovenantEBITDAMinimumPeriodOne	1000000	usd
CY2023Q1	dzsi	Debt Instrument Covenant Ebitda Minimum Period Two DebtInstrumentCovenantEBITDAMinimumPeriodTwo	1	usd
CY2023Q2	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	1563000	usd
CY2023Q2	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	1875000	usd
CY2023Q2	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	2188000	usd
CY2023Q2	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	17499000	usd
CY2023Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1300000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2600000	usd
CY2022Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	500000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	800000	usd
CY2023Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear	2641000	usd
CY2023Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	5283000	usd
CY2023Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	5278000	usd
CY2023Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	4095000	usd
CY2023Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	3143000	usd
CY2023Q2	dzsi	Finite Lived Intangible Assets Amortization Expense After Year Four FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFour	8661000	usd
CY2023Q2	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	29101000	usd
CY2023Q2	dzsi	Short Term Debt And Line Of Credit Facilities ShortTermDebtAndLineOfCreditFacilities	18597000	usd
CY2022Q4	dzsi	Short Term Debt And Line Of Credit Facilities ShortTermDebtAndLineOfCreditFacilities	9706000	usd
CY2023Q2	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	41952000	usd
CY2022Q4	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	33779000	usd
CY2023Q1	dzsi	Debt Instrument Covenant Ebitda Minimum Period One DebtInstrumentCovenantEBITDAMinimumPeriodOne	1000000	usd
CY2023Q1	dzsi	Debt Instrument Covenant Ebitda Minimum Period Two DebtInstrumentCovenantEBITDAMinimumPeriodTwo	1	usd
CY2023Q2	us-gaap	Long Term Debt Maturities Repayments Of Principal Remainder Of Fiscal Year LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear	625000	usd
CY2023Q2	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	1563000	usd
CY2023Q2	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	1875000	usd
CY2023Q2	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	2188000	usd
CY2023Q2	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	17499000	usd
CY2023Q2	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	23750000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2600000	usd
CY2022Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	500000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	800000	usd
CY2023Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear	2641000	usd
CY2023Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	5283000	usd
CY2023Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	4095000	usd
CY2023Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	3143000	usd
CY2023Q2	dzsi	Finite Lived Intangible Assets Amortization Expense After Year Four FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFour	8661000	usd
CY2023Q2	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	29101000	usd
CY2023Q2	dzsi	Short Term Debt And Line Of Credit Facilities ShortTermDebtAndLineOfCreditFacilities	18597000	usd
CY2022Q4	dzsi	Short Term Debt And Line Of Credit Facilities ShortTermDebtAndLineOfCreditFacilities	9706000	usd
CY2023Q2	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	41952000	usd
CY2022Q4	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	33779000	usd
CY2023Q1	dzsi	Debt Instrument Covenant Ebitda Minimum Period One DebtInstrumentCovenantEBITDAMinimumPeriodOne	1000000	usd
CY2023Q1	dzsi	Debt Instrument Covenant Ebitda Minimum Period Two DebtInstrumentCovenantEBITDAMinimumPeriodTwo	1	usd
CY2023Q2	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	1875000	usd
CY2023Q2	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	2188000	usd
CY2023Q2	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	17499000	usd
CY2023Q2	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	23750000	usd
	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent Of Match DefinedContributionPlanEmployerMatchingContributionPercentOfMatch	0.083
CY2023Q2	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	11100000	usd
CY2023Q2	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	23750000	usd
	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent Of Match DefinedContributionPlanEmployerMatchingContributionPercentOfMatch	0.083
CY2023Q2	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	11100000	usd
CY2022Q4	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	11000000.0	usd
CY2023Q2	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	100000	usd
	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	200000	usd
CY2022Q2	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	100000	usd
	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	200000	usd
CY2022Q2	us-gaap	Net Income Loss NetIncomeLoss	-12564000	usd
	us-gaap	Net Income Loss NetIncomeLoss	-48654000	usd
	us-gaap	Net Income Loss NetIncomeLoss	-20150000	usd
CY2023Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	31222000	shares
CY2022Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	27657000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	31132000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	27593000	shares
CY2023Q2	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
CY2022Q2	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
CY2022Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	27657000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	27593000	shares
CY2023Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.80
CY2022Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.45
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.56
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.73
CY2023Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.80
CY2022Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.45
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.56
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.73
	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent Of Match DefinedContributionPlanEmployerMatchingContributionPercentOfMatch	0.083
CY2023Q2	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	11100000	usd
CY2022Q4	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	11000000.0	usd
CY2023Q2	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	100000	usd
	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	200000	usd
CY2022Q2	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	100000	usd
	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	200000	usd
CY2023Q2	us-gaap	Net Income Loss NetIncomeLoss	-24836000	usd
	us-gaap	Net Income Loss NetIncomeLoss	-20150000	usd
CY2023Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	31222000	shares
CY2022Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	27657000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	31132000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	27593000	shares
CY2023Q2	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
CY2023Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	31222000	shares
CY2022Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	27657000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	31132000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	27593000	shares
CY2023Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.80
CY2022Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.45
CY2023Q2	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	100000	usd
	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	200000	usd
CY2022Q2	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	100000	usd
	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	200000	usd
CY2023Q2	us-gaap	Net Income Loss NetIncomeLoss	-24836000	usd
CY2022Q2	us-gaap	Net Income Loss NetIncomeLoss	-12564000	usd
CY2023Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	31222000	shares
CY2022Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	27657000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	31132000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	27593000	shares
CY2023Q2	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
CY2022Q2	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
CY2023Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	31222000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	27593000	shares
CY2023Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.80
CY2022Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.45
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.56
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.73
CY2023Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.80
CY2022Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.45
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.56
	us-gaap	Operating Lease Expense OperatingLeaseExpense	2400000	usd
CY2022Q2	us-gaap	Operating Lease Expense OperatingLeaseExpense	900000	usd
	us-gaap	Operating Lease Expense OperatingLeaseExpense	2000000.0	usd
CY2023Q2	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	500000	usd
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.56
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.73
CY2023Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.80
CY2022Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.45
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.56
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.73
CY2023Q2	us-gaap	Operating Lease Expense OperatingLeaseExpense	1500000	usd
	us-gaap	Operating Lease Expense OperatingLeaseExpense	2400000	usd
CY2022Q2	us-gaap	Operating Lease Expense OperatingLeaseExpense	900000	usd
	us-gaap	Operating Lease Expense OperatingLeaseExpense	2000000.0	usd
CY2023Q2	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	500000	usd
CY2023Q2	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	2818000	usd
CY2023Q2	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	5118000	usd
CY2023Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	3580000	usd
CY2023Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	2241000	usd
CY2023Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	1130000	usd
CY2023Q2	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	15580000	usd
CY2023Q2	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	1411000	usd
CY2022Q4	us-gaap	Loss Contingency Damages Sought Value LossContingencyDamagesSoughtValue	24750000	usd
CY2023Q2	us-gaap	Operating Lease Expense OperatingLeaseExpense	1500000	usd
	us-gaap	Operating Lease Expense OperatingLeaseExpense	2400000	usd
CY2022Q2	us-gaap	Operating Lease Expense OperatingLeaseExpense	900000	usd
	us-gaap	Operating Lease Expense OperatingLeaseExpense	2000000.0	usd
CY2023Q2	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	500000	usd
CY2023Q2	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	2818000	usd
CY2023Q2	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	5118000	usd
CY2023Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	3580000	usd
CY2023Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	2241000	usd
CY2023Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	1130000	usd
CY2023Q2	dzsi	Lessee Operating Lease Liability Payments Due After Year Four LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour	693000	usd
CY2023Q2	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	15580000	usd
CY2023Q2	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	1411000	usd
CY2023Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	14169000	usd
CY2022Q4	us-gaap	Loss Contingency Damages Sought Value LossContingencyDamagesSoughtValue	24750000	usd
CY2023Q2	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	2818000	usd
CY2023Q2	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	5118000	usd
CY2023Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	3580000	usd
CY2023Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	2241000	usd
CY2023Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	1130000	usd
CY2023Q2	dzsi	Lessee Operating Lease Liability Payments Due After Year Four LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour	693000	usd
CY2023Q2	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	15580000	usd
CY2023Q2	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	1411000	usd
CY2023Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	14169000	usd
CY2022Q4	us-gaap	Loss Contingency Damages Sought Value LossContingencyDamagesSoughtValue	24750000	usd
CY2023Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	300000	usd
CY2023Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-24500000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1500000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-47100000	usd
CY2022Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-10600000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3700000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-16400000	usd
CY2023Q2	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	5200000	usd
CY2023Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	300000	usd
CY2023Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-24500000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1500000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-47100000	usd
CY2022Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1900000	usd
CY2022Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-10600000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3700000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-16400000	usd
CY2023Q2	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	5200000	usd
CY2023Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	6694000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	9478000	usd
CY2023Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-24500000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1500000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-47100000	usd
CY2022Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1900000	usd
CY2022Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-10600000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3700000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-16400000	usd
CY2023Q2	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	5200000	usd
CY2023Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	6694000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	9478000	usd
CY2023Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	6694000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	9478000	usd

Files In Submission

Name	View Source	Status
0001101680-24-000091-index-headers.html	Edgar Link	pending
0001101680-24-000091-index.html	Edgar Link	pending
0001101680-24-000091.txt	Edgar Link	pending
0001101680-24-000091-xbrl.zip	Edgar Link	pending
dzsi-20230630.htm	Edgar Link	pending
dzsi-20230630.xsd	Edgar Link	pending
dzsi-20230630x10qxexx311.htm	Edgar Link	pending
dzsi-20230630x10qxexx312.htm	Edgar Link	pending
dzsi-20230630x10qxexx321.htm	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
dzsi-20230630_def.xml	Edgar Link	unprocessable
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$DZSI
DZS INC. Stock $dzsi

2024 Q3 Form 10-Q Financial Statement

#000110168024000091 Filed on August 13, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$DZSI DZS INC. Stock $dzsi

2024 Q3 Form 10-Q Financial Statement

#000110168024000091 Filed on August 13, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$DZSI
DZS INC. Stock $dzsi