$CLFD
Clearfield, Inc. Stock $clfd

$clfd Overview Financials Valuation SEC Filings Company Website

2022 Q4 Form 10-K Financial Statement

#000117184322007645 Filed on November 23, 2022

Income Statement

Concept	2022 Q4	2022 Q3	2022
Revenue	$85.94M	$95.03M	$270.9M
YoY Change	68.15%	110.07%	92.45%
Cost Of Revenue	$55.29M	$57.52M	$157.9M
YoY Change	96.51%	125.53%	98.47%
Gross Profit	$30.65M	$37.51M	$112.9M
YoY Change	33.42%	90.1%	84.62%
Gross Profit Margin	35.66%	39.47%	41.7%
Selling, General & Admin	$12.76M	$15.25M	$49.13M
YoY Change	28.58%	47.21%	36.69%
% of Gross Profit	41.63%	40.67%	43.5%
Research & Development			$895.0K
YoY Change			-28.03%
% of Gross Profit			0.79%
Depreciation & Amortization	$1.353M	$1.239M	$3.413M
YoY Change	111.74%	115.0%	48.28%
% of Gross Profit	4.41%	3.3%	3.02%
Operating Expenses	$12.76M	$15.25M	$49.13M
YoY Change	28.58%	47.21%	32.12%
Operating Profit	$17.89M	$22.25M	$63.82M
YoY Change	37.1%	137.54%	152.9%
Interest Expense	$243.0K	-$267.0K	$17.00K
YoY Change	102.5%	-319.1%	-96.6%
% of Operating Profit	1.36%	-1.2%	0.03%
Other Income/Expense, Net
YoY Change
Pretax Income	$17.95M	$21.98M	$63.83M
YoY Change	36.3%	131.68%	148.05%
Income Tax	$3.695M	$4.993M	$14.47M
% Of Pretax Income	20.58%	22.71%	22.67%
Net Earnings	$14.26M	$16.99M	$49.36M
YoY Change	37.21%	128.8%	142.84%
Net Earnings / Revenue	16.59%	17.88%	18.22%
Basic Earnings Per Share	$1.01		$3.58
Diluted Earnings Per Share	$1.00	$1.220M	$3.550M
COMMON SHARES
Basic Shares Outstanding	13.82M	13.78M	13.77M
Diluted Shares Outstanding	14.28M		13.91M

Balance Sheet

Concept	2022 Q4	2022 Q3	2022
SHORT-TERM ASSETS
Cash & Short-Term Investments	$147.9M	$22.45M	$22.45M
YoY Change	541.3%	-4.82%	-4.82%
Cash & Equivalents	$30.31M	$16.65M	$16.65M
Short-Term Investments	$117.5M	$5.802M	$5.802M
Other Short-Term Assets	$1.450M	$1.758M	$1.758M
YoY Change	33.64%	84.28%	84.29%
Inventory	$89.71M	$82.21M	$82.21M
Prepaid Expenses
Receivables	$55.14M	$53.70M	$53.70M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$294.1M	$160.1M	$160.1M
YoY Change	249.99%	123.93%	123.93%
LONG-TERM ASSETS
Property, Plant & Equipment	$19.73M	$31.49M	$31.49M
YoY Change	200.12%	529.95%	331.12%
Goodwill	$6.545M	$6.402M
YoY Change	38.99%	35.95%
Intangibles	$6.488M	$6.376M
YoY Change	42.69%	35.78%
Long-Term Investments	$10.29M	$22.75M	$22.75M
YoY Change	-70.75%	-38.38%	-38.38%
Other Assets	$868.0K	$1.995M	$1.995M
YoY Change	51.75%	375.0%	154.32%
Total Long-Term Assets	$57.65M	$69.01M	$69.01M
YoY Change	7.32%	26.83%	26.84%
TOTAL ASSETS
Total Short-Term Assets	$294.1M	$160.1M	$160.1M
Total Long-Term Assets	$57.65M	$69.01M	$69.01M
Total Assets	$351.8M	$229.1M	$229.1M
YoY Change	155.36%	81.97%	81.98%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$18.37M	$24.12M	$24.12M
YoY Change	48.52%	161.73%	161.73%
Accrued Expenses	$12.44M	$23.18M	$23.18M
YoY Change	155.25%	1337.32%	105.96%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$45.32M	$51.69M	$51.69M
YoY Change	105.29%	152.51%	152.51%
LONG-TERM LIABILITIES
Long-Term Debt	$2.132M	$18.67M	$18.67M
YoY Change
Other Long-Term Liabilities	$9.706M	$10.41M	$10.41M
YoY Change	699.51%	544.56%	544.56%
Total Long-Term Liabilities	$11.84M	$29.08M	$29.08M
YoY Change	875.12%	1700.08%	1700.08%
TOTAL LIABILITIES
Total Short-Term Liabilities	$45.32M	$51.69M	$51.69M
Total Long-Term Liabilities	$11.84M	$29.08M	$29.08M
Total Liabilities	$57.92M	$81.55M	$81.55M
YoY Change	148.66%	269.2%	269.2%
SHAREHOLDERS EQUITY
Retained Earnings	$109.1M	$94.80M
YoY Change	95.34%	108.62%
Common Stock	$152.0K	$138.0K
YoY Change	10.14%	0.73%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$293.9M	$147.6M	$147.6M
YoY Change
Total Liabilities & Shareholders Equity	$351.8M	$229.1M	$229.1M
YoY Change	155.36%	81.97%	81.98%

Cashflow Statement

Concept	2022 Q4	2022 Q3	2022
OPERATING ACTIVITIES
Net Income	$14.26M	$16.99M	$49.36M
YoY Change	37.21%	128.8%	142.84%
Depreciation, Depletion And Amortization	$1.353M	$1.239M	$3.413M
YoY Change	111.74%	115.0%	48.28%
Cash From Operating Activities	$1.103M	$10.29M	$1.001M
YoY Change	-3344.12%	269.39%	-90.82%
INVESTING ACTIVITIES
Capital Expenditures	$1.984M	-$2.384M	-$9.148M
YoY Change	-196.73%	209.26%	347.12%
Acquisitions			$16.19M
YoY Change
Other Investing Activities	-$98.88M	-$16.19M	$951.0K
YoY Change	-5809.06%	66.98%	-108.23%
Cash From Investing Activities	-$101.1M	-$18.57M	-$8.197M
YoY Change	31590.91%	77.46%	-39.73%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			-$4.639M
YoY Change			1109.03%
Debt Paid & Issued, Net	$16.70M		$0.00
YoY Change
Cash From Financing Activities	$113.5M	10.76M	10.66M
YoY Change	-62817.68%	-2726.65%	-2086.26%
NET CHANGE
Cash From Operating Activities	$1.103M	10.29M	1.001M
Cash From Investing Activities	-$101.1M	-18.57M	-8.197M
Cash From Financing Activities	$113.5M	10.76M	10.66M
Net Change In Cash	$13.66M	2.483M	3.459M
YoY Change	-2658.61%	-130.7%	-206.98%
FREE CASH FLOW
Cash From Operating Activities	$1.103M	$10.29M	$1.001M
Capital Expenditures	$1.984M	-$2.384M	-$9.148M
Free Cash Flow	-$881.0K	$12.67M	$10.15M
YoY Change	-143.68%	256.36%	-21.62%

Facts In Submission

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CY2022	dei	Entity Registrant Name EntityRegistrantName	Clearfield, Inc.
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CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	14472000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5407000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1862000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	49362000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	20327000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	7293000	usd
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.58
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.48
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.53
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.55
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.47
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.53
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	13771665
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	13720699
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	13643355
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	13905984
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	13784294
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	13643355
CY2022	us-gaap	Net Income Loss NetIncomeLoss	49362000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	20327000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	7293000	usd
CY2022	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-1590000	usd
CY2021	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	0	usd
CY2020	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	0	usd
CY2022	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPortionAttributableToParent	-854000	usd
CY2021	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPortionAttributableToParent	0	usd
CY2020	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Before Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPortionAttributableToParent	0	usd
CY2022	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-2444000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	0	usd
CY2020	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	0	usd
CY2022	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-546000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-0	usd
CY2020	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-0	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-1898000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	0	usd
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	0	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	47464000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	20327000	usd
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	7293000	usd
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	103824000	usd
CY2022	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2339000	usd
CY2022	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	0	usd
CY2022	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	544000	usd
CY2022	clfd	Stock Issued During Period Value Withholding Related To Stock Options Exercised StockIssuedDuringPeriodValueWithholdingRelatedToStockOptionsExercised	-5183000	usd
CY2022	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	1406000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-1898000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	49362000	usd
CY2022Q3	us-gaap	Stockholders Equity StockholdersEquity	147582000	usd
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	82754000	usd
CY2021	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1280	usd
CY2021	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	0	usd
CY2021	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	383000	usd
CY2021	clfd	Stock Issued During Period Value Withholding Related To Stock Options Exercised StockIssuedDuringPeriodValueWithholdingRelatedToStockOptionsExercised	-458000	usd
CY2021	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	462000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	20327000	usd
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	103824000	usd
CY2019Q3	us-gaap	Stockholders Equity StockholdersEquity	74933000	usd
CY2020	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	428000	usd
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	774000	usd
CY2020	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	0	usd
CY2020	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	349000	usd
CY2020	clfd	Stock Issued During Period Value Withholding Related To Stock Options Exercised StockIssuedDuringPeriodValueWithholdingRelatedToStockOptionsExercised	9000	usd
CY2020	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	176000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	7293000	usd
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	82754000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	49362000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	20327000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	7293000	usd
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	3413000	usd
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	2302000	usd
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	2422000	usd
CY2022	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	0	usd
CY2021	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	210000	usd
CY2020	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	0	usd
CY2022	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	42000	usd
CY2021	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	7000	usd
CY2020	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	64000	usd
CY2022	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-326000	usd
CY2021	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-187000	usd
CY2020	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-280000	usd
CY2022	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-13000	usd
CY2021	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-0	usd
CY2020	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-6000	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	2339000	usd
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	1280000	usd
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	774000	usd
CY2022	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	24234000	usd
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	9151000	usd
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	1378000	usd
CY2022	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	43744000	usd
CY2021	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	13116000	usd
CY2020	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	5396000	usd
CY2022	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	282000	usd
CY2021	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	531000	usd
CY2020	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-128000	usd
CY2022	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	14502000	usd
CY2021	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	9776000	usd
CY2020	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	3152000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1001000	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	10903000	usd
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	6656000	usd
CY2022	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	9148000	usd
CY2021	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	2046000	usd
CY2020	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	1806000	usd
CY2022	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	248000	usd
CY2021	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	24809000	usd
CY2020	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	34057000	usd
CY2022	us-gaap	Proceeds From Sale And Maturity Of Held To Maturity Securities ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities	17386000	usd
CY2021	us-gaap	Proceeds From Sale And Maturity Of Held To Maturity Securities ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities	13255000	usd
CY2020	us-gaap	Proceeds From Sale And Maturity Of Held To Maturity Securities ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities	35822000	usd
CY2022	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	16187000	usd
CY2021	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	-0	usd
CY2020	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	-0	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-8197000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-13600000	usd
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-41000	usd
CY2022	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	16700000	usd
CY2021	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	0	usd
CY2020	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	0	usd
CY2022	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	544000	usd
CY2021	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	384000	usd
CY2020	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	349000	usd
CY2022	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	1406000	usd
CY2021	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	462000	usd
CY2020	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	176000	usd
CY2022	clfd	Payments For Proceeds From Tax Withholding Stock Options Exercised PaymentsForProceedsFromTaxWithholdingStockOptionsExercised	5183000	usd
CY2021	clfd	Payments For Proceeds From Tax Withholding Stock Options Exercised PaymentsForProceedsFromTaxWithholdingStockOptionsExercised	458000	usd
CY2020	clfd	Payments For Proceeds From Tax Withholding Stock Options Exercised PaymentsForProceedsFromTaxWithholdingStockOptionsExercised	-10000	usd
CY2022	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	-0	usd
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	-0	usd
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	429000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	10655000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-536000	usd
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-247000	usd
CY2022	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	-24000	usd
CY2021	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	0	usd
CY2020	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	0	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	3434000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-3233000	usd
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	6368000	usd
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	13216000	usd
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	16450000	usd
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	10082000	usd
CY2022Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	16650000	usd
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	13216000	usd
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	16450000	usd
CY2022	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	13744000	usd
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	5505000	usd
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	1442000	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	119000	usd
CY2021	us-gaap	Interest Paid Net InterestPaidNet	0	usd
CY2020	us-gaap	Interest Paid Net InterestPaidNet	0	usd
CY2022	clfd	Issuance Of Common Stock Funded Through Shares Sold To Company IssuanceOfCommonStockFundedThroughSharesSoldToCompany	1624000	usd
CY2021	clfd	Issuance Of Common Stock Funded Through Shares Sold To Company IssuanceOfCommonStockFundedThroughSharesSoldToCompany	1271000	usd
CY2020	clfd	Issuance Of Common Stock Funded Through Shares Sold To Company IssuanceOfCommonStockFundedThroughSharesSoldToCompany	98000	usd
CY2022Q3	us-gaap	Inventory Raw Materials InventoryRawMaterials	66440000	usd
CY2021Q3	us-gaap	Inventory Raw Materials InventoryRawMaterials	23072000	usd
CY2022Q3	us-gaap	Inventory Work In Process InventoryWorkInProcess	7294000	usd
CY2021Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	79000	usd
CY2022	us-gaap	Allowance For Doubtful Accounts Receivable Period Increase Decrease AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease	0	usd
CY2022	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	-0	usd
CY2022Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	79000	usd
CY2020Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	289000	usd
CY2021	us-gaap	Allowance For Doubtful Accounts Receivable Period Increase Decrease AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease	-210000	usd
CY2021	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	-0	usd
CY2021Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	79000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	10407000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	4030000	usd
CY2021Q3	us-gaap	Inventory Work In Process InventoryWorkInProcess	2482000	usd
CY2022Q3	us-gaap	Inventory Finished Goods InventoryFinishedGoods	10803000	usd
CY2021Q3	us-gaap	Inventory Finished Goods InventoryFinishedGoods	3361000	usd
CY2022Q3	us-gaap	Inventory Gross InventoryGross	84537000	usd
CY2021Q3	us-gaap	Inventory Gross InventoryGross	28915000	usd
CY2022Q3	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	2329000	usd
CY2021Q3	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	1391000	usd
CY2022Q3	us-gaap	Inventory Net InventoryNet	82208000	usd
CY2021Q3	us-gaap	Inventory Net InventoryNet	27524000	usd
CY2022Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	29647000	usd
CY2021Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	15066000	usd
CY2022Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	11418000	usd
CY2021Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	10068000	usd
CY2022Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	18229000	usd
CY2021Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	4998000	usd
CY2022	us-gaap	Depreciation Depreciation	2647000	usd
CY2021	us-gaap	Depreciation Depreciation	1699000	usd
CY2020	us-gaap	Depreciation Depreciation	1944000	usd
CY2021	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
CY2022Q3	clfd	Number Of Patents Granted NumberOfPatentsGranted	36	pure
CY2022Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	6376000	usd
CY2021Q3	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	8154000	usd
CY2021Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	3458000	usd
CY2021Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	4696000	usd
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	766000	usd
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	602000	usd
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	478000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	865000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	786000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	685000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	470000	usd
CY2022Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	394000	usd
CY2022Q3	clfd	Finitelived Intangible Asset Expected Amortization Total FinitelivedIntangibleAssetExpectedAmortizationTotal	3200000	usd
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0024	pure
CY2022Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber	113727
CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber	79833
CY2020Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber	44000
CY2022	us-gaap	Impairment Of Long Lived Assets Held For Use ImpairmentOfLongLivedAssetsHeldForUse	0	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	7293000	usd
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	13771665
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	13720699
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	13643355
CY2022Q1	clfd	Stock Repurchase Program Increase In Authorized Amount StockRepurchaseProgramIncreaseInAuthorizedAmount	10000000	usd
CY2022Q1	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	22000000	usd
CY2017Q2	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	12000000	usd
CY2022Q3	clfd	Stock Repurchased Cumulative StockRepurchasedCumulative	565590
CY2022Q3	clfd	Stock Repurchased Value Cumulative StockRepurchasedValueCumulative	7019000	usd
CY2022Q3	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	14981000	usd
CY2022Q3	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	22000000	usd
CY2022Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	50000000
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	11279000	usd
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	1315000	usd
CY2022	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	895000	usd
CY2021	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	1243000	usd
CY2020	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	1267000	usd
CY2022	us-gaap	Advertising Expense AdvertisingExpense	537000	usd
CY2020	us-gaap	Advertising Expense AdvertisingExpense	297000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	49362000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	20327000	usd
CY2022	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	134319
CY2021	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	63593
CY2020	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	0
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	13905984
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	13784294
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	13643355
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.58
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.48
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.53
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.55
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.47
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.53
CY2022	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0
CY2020	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	337100
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	332000	usd
CY2020Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	97333
CY2020Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	12.76
CY2022	us-gaap	Use Of Estimates UseOfEstimates	<p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:justify;margin:0pt 0pt 0pt 8pt;"><b>Use of Estimates: </b>The preparation of consolidated financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, related revenues and expenses and disclosure about contingent assets and liabilities at the date of the financial statements. Significant estimates include the rebates related to revenue recognition, stock-based compensation and the valuation of inventory, long-lived assets, finite lived intangible assets and goodwill. Actual results <em style="font: inherit;"> may </em>differ materially from these estimates.</p> <p style="font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"> </p>
CY2022	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:justify;margin:0pt 0pt 0pt 8pt;"><b>Reclassification: </b>For the purposes of comparability, certain prior period amounts have been reclassified to conform to current period classification. There was <em style="font: inherit;">no</em> impact to prior period net income or shareholders’ equity.</p> <p style="font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"> </p>
CY2022Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	580000
CY2022Q3	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	3664000	usd
CY2022	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P2Y1M6D
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2339000	usd
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1280000	usd
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	774000	usd
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	62730
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	66.48
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	105089
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Expiration Period SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod	P5Y
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1	P3Y
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	23.74
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	121350
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Expiration Period SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod	P5Y8M15D
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1	P4Y8M15D
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	12.43
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0	pure
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0	pure
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0	pure
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.5202	pure
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.4690	pure
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0097	pure
CY2019Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	290750
CY2019Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	11.86
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	121350
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	12.43
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	4.62
CY2020	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	26750
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	4.01
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	48250
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	13.35
CY2020Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	337100
CY2020Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	12.48
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	105089
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	23.74
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	8.14
CY2021	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	101966
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	12.47
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	38709
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	13.68
CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	301514
CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	16.25
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	62730
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	66.48
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	25.54
CY2022	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	125651
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	12.92
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	2084
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	19.94
CY2022Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	236509
CY2022Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	31.30
CY2022Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	39276
CY2022Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	20.26
CY2022Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	3314000	usd
CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	51201
CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	12.28
CY2021Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	1632000	usd
CY2020Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	721000	usd
CY2022Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	236509
CY2022Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	31.30
CY2022Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	17343000	usd
CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	301514
CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	16.25
CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	8412000	usd
CY2020Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	337100
CY2020Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	12.48
CY2020Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	721000	usd
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	3744000	usd
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	1364000	usd
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	497000	usd
CY2022	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	13292
CY2022	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	105.78
CY2021	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	11754
CY2021	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	39.32
CY2020	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	10038
CY2020	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	17.57
CY2022	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	14365000	usd
CY2022	clfd	Debt Securities Realized Gain DebtSecuritiesRealizedGain	92000	usd
CY2022	clfd	Debt Securities Realized Loss DebtSecuritiesRealizedLoss	53000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	6345000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	176000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	22204000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	1414000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	62	pure
CY2022	clfd	Debt Securities Available For Sale Other Than Temporary Impairment DebtSecuritiesAvailableForSaleOtherThanTemporaryImpairment	0	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	28549000	usd
CY2022	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-1590000	usd
CY2022	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	366000	usd
CY2022	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-1224000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-854000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	180000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-674000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Before Tax Portion Attributable To Parent OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent	-2444000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	-546000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-1898000	usd
CY2022	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	13230000	usd
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	5154000	usd
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	1966000	usd
CY2022	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	1532000	usd
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	440000	usd
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	175000	usd
CY2022	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	48000	usd
CY2021	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	0	usd
CY2020	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	0	usd
CY2022	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	14810000	usd
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	5594000	usd
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	2142000	usd
CY2022	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-509000	usd
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-234000	usd
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-252000	usd
CY2022	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	6000	usd
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	47000	usd
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-26000	usd
CY2022	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	165000	usd
CY2021	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	0	usd
CY2020	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	0	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-334000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-187000	usd
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-280000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	14472000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5407000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1862000	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210	pure
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210	pure
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210	pure
CY2022	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.021	pure
CY2021	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.022	pure
CY2020	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.020	pure
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.004	pure
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0	pure
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0	pure
CY2022	clfd	Effective Income Tax Rate Reconciliation Permanent Differences Percent EffectiveIncomeTaxRateReconciliationPermanentDifferencesPercent	0.046	pure
CY2021	clfd	Effective Income Tax Rate Reconciliation Permanent Differences Percent EffectiveIncomeTaxRateReconciliationPermanentDifferencesPercent	0	pure
CY2020	clfd	Effective Income Tax Rate Reconciliation Permanent Differences Percent EffectiveIncomeTaxRateReconciliationPermanentDifferencesPercent	0	pure
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0	pure
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	0	pure
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.005	pure
CY2022	clfd	Effective Income Tax Rate Reconciliation Expiration Of State Net Operating Loss Percent EffectiveIncomeTaxRateReconciliationExpirationOfStateNetOperatingLossPercent	-0	pure
CY2021	clfd	Effective Income Tax Rate Reconciliation Expiration Of State Net Operating Loss Percent EffectiveIncomeTaxRateReconciliationExpirationOfStateNetOperatingLossPercent	-0	pure
CY2020	clfd	Effective Income Tax Rate Reconciliation Expiration Of State Net Operating Loss Percent EffectiveIncomeTaxRateReconciliationExpirationOfStateNetOperatingLossPercent	-0.004	pure
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.005	pure
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.007	pure
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.025	pure
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Percent EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent	-0.049	pure
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Percent EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent	-0.015	pure
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Percent EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent	-0.001	pure
CY2022	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.227	pure
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.210	pure
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.203	pure
CY2022Q3	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	1791000	usd
CY2021Q3	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	933000	usd
CY2022Q3	us-gaap	Assets Assets	229128000	usd
CY2022Q3	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	102000	usd
CY2021Q3	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	92000	usd
CY2022Q3	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	1068000	usd
CY2021Q3	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	381000	usd
CY2022Q3	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	256000	usd
CY2021Q3	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	300000	usd
CY2022Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	416000	usd
CY2021Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	231000	usd
CY2022Q3	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	813000	usd
CY2021Q3	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	519000	usd
CY2022Q3	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	163000	usd
CY2021Q3	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	48000	usd
CY2022Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	1020000	usd
CY2021Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	519000	usd
CY2022Q3	us-gaap	Deferred Tax Assets Unrealized Currency Losses DeferredTaxAssetsUnrealizedCurrencyLosses	180000	usd
CY2021Q3	us-gaap	Deferred Tax Assets Unrealized Currency Losses DeferredTaxAssetsUnrealizedCurrencyLosses	0	usd
CY2022Q3	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	365000	usd
CY2021Q3	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	0	usd
CY2022Q3	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Goodwill DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsGoodwill	1077000	usd
CY2021Q3	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Goodwill DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsGoodwill	683000	usd
CY2022Q3	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	640000	usd
CY2021Q3	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	365000	usd
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	270883000	usd
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	140755000	usd
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	93075000	usd
CY2022	clfd	Revenues Percent RevenuesPercent	1	pure
CY2021	clfd	Revenues Percent RevenuesPercent	1	pure
CY2020	clfd	Revenues Percent RevenuesPercent	1	pure
CY2022	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	1129000	usd
CY2021	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	915000	usd
CY2020	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	839000	usd
CY2022	us-gaap	Operating Lease Expense OperatingLeaseExpense	2801000	usd
CY2021	us-gaap	Operating Lease Expense OperatingLeaseExpense	1216000	usd
CY2020	us-gaap	Operating Lease Expense OperatingLeaseExpense	1126000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	3775000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	3823000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	3056000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	2868000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	1196000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	0	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	14718000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	921000	usd
CY2022Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	13797000	usd
CY2022Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P4Y14D
CY2022Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0322	pure
CY2021Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P3Y1M2D
CY2021Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0341	pure
CY2022	us-gaap	Operating Lease Payments OperatingLeasePayments	2064000	usd
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	1290000	usd
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	812000	usd
CY2022	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	pure
CY2022	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	pure
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	270883000	usd
CY2022	us-gaap	Revenue Not From Contract With Customer Excluding Interest Income RevenueNotFromContractWithCustomerExcludingInterestIncome	182000	usd
CY2022	us-gaap	Net Investment Income NetInvestmentIncome	328000	usd
CY2022	us-gaap	Interest Expense InterestExpense	311000	usd
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	3413000	usd
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2339000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	14472000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	49362000	usd
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	8500000	usd
CY2022Q3	us-gaap	Goodwill Goodwill	6402000	usd
CY2022Q3	clfd	Factoring Liabilities FactoringLiabilities	4391000	usd
CY2022Q3	clfd	Financing Receivables Percentage Of Cash Initially Received FinancingReceivablesPercentageOfCashInitiallyReceived	0.80	pure
CY2022Q3	clfd	Financing Receivable Percentage Of Balance Received When Invoice Is Paid FinancingReceivablePercentageOfBalanceReceivedWhenInvoiceIsPaid	0.20	pure
CY2022Q3	clfd	Financing Receivable Limit FinancingReceivableLimit	12300000	usd
CY2022	clfd	Financing Receivable Average Interest Rate During Period FinancingReceivableAverageInterestRateDuringPeriod	0.0214	pure

Files In Submission

Name	View Source	Status
0001171843-22-007645-index-headers.html	Edgar Link	pending
0001171843-22-007645-index.html	Edgar Link	pending
0001171843-22-007645.txt	Edgar Link	pending
0001171843-22-007645-xbrl.zip	Edgar Link	pending
clfd-20220930.xsd	Edgar Link	pending
clfd20220930_10k.htm	Edgar Link	pending
clfd-20220930_cal.xml	Edgar Link	unprocessable
clfd-20220930_def.xml	Edgar Link	unprocessable
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clfd-20220930_pre.xml	Edgar Link	unprocessable
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ex_447631.htm	Edgar Link	pending
ex_447634.htm	Edgar Link	pending
ex_447635.htm	Edgar Link	pending
ex_447636.htm	Edgar Link	pending
ex_449849.htm	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
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clfd20220930_10k_htm.xml	Edgar Link	completed
R5.htm	Edgar Link	pending
R50.htm	Edgar Link	pending
R51.htm	Edgar Link	pending
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report.css	Edgar Link	pending
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$CLFD
Clearfield, Inc. Stock $clfd

2022 Q4 Form 10-K Financial Statement

#000117184322007645 Filed on November 23, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CLFD Clearfield, Inc. Stock $clfd

2022 Q4 Form 10-K Financial Statement

#000117184322007645 Filed on November 23, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CLFD
Clearfield, Inc. Stock $clfd