$LPTH
LIGHTPATH TECHNOLOGIES INC Stock $lpth

$lpth Overview Financials Valuation SEC Filings Company Website

2021 Q4 Form 10-Q Financial Statement

#000165495422001420 Filed on February 10, 2022

Income Statement

Concept	2021 Q4	2021 Q2	2020 Q4
Revenue	$9.243M	$8.332M	$9.922M
YoY Change	-6.84%	-8.54%	3.36%
Cost Of Revenue	$6.443M	$6.269M	$6.292M
YoY Change	2.41%	11.94%	10.97%
Gross Profit	$2.800M	$2.063M	$3.630M
YoY Change	-22.88%	-41.21%	-7.63%
Gross Profit Margin	30.29%	24.76%	36.59%
Selling, General & Admin	$2.947M	$3.980M	$2.763M
YoY Change	6.65%	314.59%	25.6%
% of Gross Profit	105.26%	192.88%	76.11%
Research & Development	$552.0K	$545.0K	$529.9K
YoY Change	4.16%	36.26%	12.75%
% of Gross Profit	19.71%	26.41%	14.6%
Depreciation & Amortization	$928.4K	$899.4K	$860.0K
YoY Change	7.96%	8.37%	-1.15%
% of Gross Profit	33.16%	43.59%	23.69%
Operating Expenses	$3.780M	$4.806M	$3.574M
YoY Change	5.77%	191.3%	21.15%
Operating Profit	-$980.4K	-$2.743M	$56.46K
YoY Change	-1836.36%	-247.47%	-94.24%
Interest Expense	$26.67K	-$11.86K	$20.00K
YoY Change	33.35%	-114.83%	-33.33%
% of Operating Profit			35.42%
Other Income/Expense, Net	-$39.51K	-$208.1K	$38.11K
YoY Change	-203.69%	-793.67%
Pretax Income	-$1.020M	-$2.963M	$94.57K
YoY Change	-1178.49%	-495.05%	-91.32%
Income Tax	$35.40K	-$49.67K	$241.1K
% Of Pretax Income			254.96%
Net Earnings	-$1.055M	-$2.913M	-$146.5K
YoY Change	620.11%	-541.4%	-119.03%
Net Earnings / Revenue	-11.42%	-34.96%	-1.48%
Basic Earnings Per Share	-$0.04		-$0.01
Diluted Earnings Per Share	-$0.04	-$108.7K	-$0.01
COMMON SHARES
Basic Shares Outstanding	27.01M shares		26.12M shares
Diluted Shares Outstanding	27.01M shares		26.12M shares

Balance Sheet

Concept	2021 Q4	2021 Q2	2020 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$5.053M	$6.775M	$5.300M
YoY Change	-4.66%	25.46%	23.26%
Cash & Equivalents	$5.053M	$6.775M	$5.306M
Short-Term Investments
Other Short-Term Assets	$418.9K	$475.4K	$300.0K
YoY Change	39.62%	-20.77%	-25.0%
Inventory	$7.315M	$8.660M	$9.700M
Prepaid Expenses
Receivables	$4.955M	$4.656M	$6.800M
Other Receivables	$267.3K	$137.1K	$0.00
Total Short-Term Assets	$18.01M	$20.70M	$22.20M
YoY Change	-18.88%	-2.8%	13.27%
LONG-TERM ASSETS
Property, Plant & Equipment	$13.16M	$13.28M	$15.00M
YoY Change	-12.28%	2.15%	14.5%
Goodwill	$5.855M	$5.855M
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$27.74K	$27.74K	$700.0K
YoY Change	-96.04%	-96.04%	-22.22%
Total Long-Term Assets	$33.85M	$33.91M	$27.70M
YoY Change	22.19%	28.93%	1.84%
TOTAL ASSETS
Total Short-Term Assets	$18.01M	$20.70M	$22.20M
Total Long-Term Assets	$33.85M	$33.91M	$27.70M
Total Assets	$51.86M	$54.61M	$49.90M
YoY Change	3.92%	14.73%	6.62%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$2.249M	$2.924M	$2.600M
YoY Change	-13.49%	16.97%	0.0%
Accrued Expenses	$1.088M	$1.067M	$4.200M
YoY Change	-74.1%	-70.35%	20.0%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$904.7K	$847.1K	$1.200M
YoY Change	-24.61%	-34.84%	20.0%
Total Short-Term Liabilities	$7.050M	$8.448M	$8.100M
YoY Change	-12.97%	14.16%	14.08%
LONG-TERM LIABILITIES
Long-Term Debt	$3.776M	$4.124M	$4.500M
YoY Change	-16.08%	-12.25%	-13.46%
Other Long-Term Liabilities	$8.943M	$8.461M	$900.0K
YoY Change	893.7%	840.13%	-30.77%
Total Long-Term Liabilities	$3.776M	$12.59M	$5.400M
YoY Change	-30.07%	124.74%	-16.92%
TOTAL LIABILITIES
Total Short-Term Liabilities	$7.050M	$8.448M	$8.100M
Total Long-Term Liabilities	$3.776M	$12.59M	$5.400M
Total Liabilities	$19.79M	$21.03M	$13.50M
YoY Change	46.58%	61.8%	-0.74%
SHAREHOLDERS EQUITY
Retained Earnings	-$201.9M	-$200.2M
YoY Change
Common Stock	$232.0M	$231.7M
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$32.07M	$33.58M	$36.35M
YoY Change
Total Liabilities & Shareholders Equity	$51.86M	$54.61M	$49.90M
YoY Change	3.92%	14.73%	6.62%

Cashflow Statement

Concept	2021 Q4	2021 Q2	2020 Q4
OPERATING ACTIVITIES
Net Income	-$1.055M	-$2.913M	-$146.5K
YoY Change	620.11%	-541.4%	-119.03%
Depreciation, Depletion And Amortization	$928.4K	$899.4K	$860.0K
YoY Change	7.96%	8.37%	-1.15%
Cash From Operating Activities	$1.460M	$1.652M	$880.0K
YoY Change	65.94%	-11.18%	79.59%
INVESTING ACTIVITIES
Capital Expenditures	-$118.4K	-$438.8K	-$940.0K
YoY Change	-87.41%	-52.82%	5.62%
Acquisitions
YoY Change
Other Investing Activities		$0.00	$0.00
YoY Change			-100.0%
Cash From Investing Activities	-$118.4K	-$438.8K	-$940.0K
YoY Change	-87.41%	-53.32%	23.68%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-293.9K	-533.4K	60.00K
YoY Change	-589.77%	-584.94%	-124.0%
NET CHANGE
Cash From Operating Activities	1.460M	1.652M	880.0K
Cash From Investing Activities	-118.4K	-438.8K	-940.0K
Cash From Financing Activities	-293.9K	-533.4K	60.00K
Net Change In Cash	1.048M	679.8K	-0.0000000001164
YoY Change	-900302454652928300.0%	-34.0%	-100.0%
FREE CASH FLOW
Cash From Operating Activities	$1.460M	$1.652M	$880.0K
Capital Expenditures	-$118.4K	-$438.8K	-$940.0K
Free Cash Flow	$1.579M	$2.091M	$1.820M
YoY Change	-13.26%	-25.06%	31.88%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2021Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	27034266	shares
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	5052755	USD
CY2021Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	6774694	USD
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	33815	USD
CY2021Q2	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	45643	USD
CY2021Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	4955494	USD
CY2021Q2	us-gaap	Accounts Receivable Net AccountsReceivableNet	4656354	USD
CY2021Q4	us-gaap	Inventory Net InventoryNet	7315065	USD
CY2021Q2	us-gaap	Inventory Net InventoryNet	8659587	USD
CY2021Q4	us-gaap	Other Receivables Net Current OtherReceivablesNetCurrent	267325	USD
CY2021Q2	us-gaap	Other Receivables Net Current OtherReceivablesNetCurrent	137103	USD
CY2021Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	418860	USD
CY2021Q2	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	475364	USD
CY2021Q4	us-gaap	Assets Current AssetsCurrent	18009499	USD
CY2021Q2	us-gaap	Assets Current AssetsCurrent	20703102	USD
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	13158718	USD
CY2021Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	13279867	USD
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	9638515	USD
CY2021Q2	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	9015498	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	5020339	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	5582881	USD
CY2021Q4	us-gaap	Goodwill Goodwill	5854905	USD
CY2021Q2	us-gaap	Goodwill Goodwill	5854905	USD
CY2021Q4	us-gaap	Deferred Tax Assets Liabilities Net Noncurrent DeferredTaxAssetsLiabilitiesNetNoncurrent	147000	USD
CY2021Q2	us-gaap	Deferred Tax Assets Liabilities Net Noncurrent DeferredTaxAssetsLiabilitiesNetNoncurrent	147000	USD
CY2021Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	27737	USD
CY2021Q2	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	27737	USD
CY2021Q4	us-gaap	Assets Assets	51856713	USD
CY2021Q2	us-gaap	Assets Assets	54610990	USD
CY2021Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	2249296	USD
CY2021Q2	us-gaap	Accounts Payable Current AccountsPayableCurrent	2924333	USD
CY2021Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	1087936	USD
CY2021Q2	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	1067265	USD
CY2021Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	1990911	USD
CY2021Q2	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	2810043	USD
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	816789	USD
CY2021Q2	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	799507	USD
CY2021Q4	us-gaap	Loans Payable Current LoansPayableCurrent	777424	USD
CY2021Q2	us-gaap	Loans Payable Current LoansPayableCurrent	634846	USD
CY2021Q4	us-gaap	Capital Lease Obligations Current CapitalLeaseObligationsCurrent	127278	USD
CY2021Q2	us-gaap	Capital Lease Obligations Current CapitalLeaseObligationsCurrent	212212	USD
CY2021Q4	us-gaap	Liabilities Current LiabilitiesCurrent	7049634	USD
CY2021Q2	us-gaap	Liabilities Current LiabilitiesCurrent	8448206	USD
CY2021Q4	lpth	Finance Lease Obligation Less Current Portion FinanceLeaseObligationLessCurrentPortion	18437	USD
CY2021Q2	lpth	Finance Lease Obligation Less Current Portion FinanceLeaseObligationLessCurrentPortion	66801	USD
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	8943334	USD
CY2021Q2	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	8461133	USD
CY2021Q4	lpth	Loans Payable Less Current Portion LoansPayableLessCurrentPortion	3776246	USD
CY2021Q2	lpth	Loans Payable Less Current Portion LoansPayableLessCurrentPortion	4057365	USD
CY2021Q4	us-gaap	Liabilities Liabilities	19787651	USD
CY2021Q2	us-gaap	Liabilities Liabilities	21033505	USD
CY2021Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2021Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	500000	shares
CY2021Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2021Q2	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2021Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	44500000	shares
CY2021Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	27021875	shares
CY2021Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	26985913	shares
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	270219	USD
CY2021Q2	us-gaap	Common Stock Value CommonStockValue	269859	USD
CY2021Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	231761146	USD
CY2021Q2	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	231438651	USD
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	1972262	USD
CY2021Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	2116152	USD
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-201934565	USD
CY2021Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-200247177	USD
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	32069062	USD
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	33577485	USD
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	51856713	USD
CY2021Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	54610990	USD
CY2021Q4	us-gaap	Revenues Revenues	9243174	USD
CY2020Q4	us-gaap	Revenues Revenues	9922171	USD
	us-gaap	Revenues Revenues	18346517	USD
	us-gaap	Revenues Revenues	19431143	USD
CY2021Q4	us-gaap	Cost Of Revenue CostOfRevenue	6443328	USD
CY2020Q4	us-gaap	Cost Of Revenue CostOfRevenue	6291835	USD
	us-gaap	Cost Of Revenue CostOfRevenue	12374736	USD
	us-gaap	Cost Of Revenue CostOfRevenue	11950615	USD
CY2021Q4	us-gaap	Gross Profit GrossProfit	2799846	USD
CY2020Q4	us-gaap	Gross Profit GrossProfit	3630336	USD
	us-gaap	Gross Profit GrossProfit	5971781	USD
	us-gaap	Gross Profit GrossProfit	7480528	USD
CY2021Q4	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	2946998	USD
CY2020Q4	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	2763178	USD
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	5816044	USD
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	5203655	USD
CY2021Q4	us-gaap	Research And Development Expense Excluding Acquired In Process Cost ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost	551960	USD
CY2020Q4	us-gaap	Research And Development Expense Excluding Acquired In Process Cost ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost	529902	USD
	us-gaap	Research And Development Expense Excluding Acquired In Process Cost ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost	978971	USD
	us-gaap	Research And Development Expense Excluding Acquired In Process Cost ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost	980399	USD
CY2021Q4	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	281271	USD
CY2020Q4	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	281271	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	562542	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	562542	USD
CY2021Q4	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	0	USD
CY2020Q4	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	477	USD
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	0	USD
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	522	USD
CY2021Q4	us-gaap	Operating Expenses OperatingExpenses	3780229	USD
CY2020Q4	us-gaap	Operating Expenses OperatingExpenses	3573874	USD
	us-gaap	Operating Expenses OperatingExpenses	7357557	USD
	us-gaap	Operating Expenses OperatingExpenses	6746074	USD
CY2021Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	-980383	USD
CY2020Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	56462	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	-1385776	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	734454	USD
CY2021Q4	us-gaap	Interest Expense Debt InterestExpenseDebt	50331	USD
CY2020Q4	us-gaap	Interest Expense Debt InterestExpenseDebt	55147	USD
	us-gaap	Interest Expense Debt InterestExpenseDebt	96080	USD
	us-gaap	Interest Expense Debt InterestExpenseDebt	113696	USD
CY2021Q4	us-gaap	Other Income OtherIncome	10819	USD
CY2020Q4	us-gaap	Other Income OtherIncome	93252	USD
	us-gaap	Other Income OtherIncome	-40263	USD
	us-gaap	Other Income OtherIncome	5517	USD
CY2021Q4	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-39512	USD
CY2020Q4	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	38105	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-136343	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-108179	USD
CY2021Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-1019895	USD
CY2020Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	94567	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-1522119	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	626275	USD
CY2021Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	35396	USD
CY2020Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	241112	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	165269	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	675752	USD
CY2021Q4	us-gaap	Net Income Loss NetIncomeLoss	-1055291	USD
CY2020Q4	us-gaap	Net Income Loss NetIncomeLoss	-146545	USD
	us-gaap	Net Income Loss NetIncomeLoss	-1687388	USD
	us-gaap	Net Income Loss NetIncomeLoss	-49477	USD
CY2021Q4	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	284	USD
CY2020Q4	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	723396	USD
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	-143890	USD
	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent	1452704	USD
CY2021Q4	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-1055007	USD
CY2020Q4	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	576851	USD
	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-1831278	USD
	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	1403227	USD
CY2021Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.04
CY2020Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.01
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.06
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.00
CY2021Q4	us-gaap	Business Acquisition Equity Interests Issued Or Issuable Number Of Shares Issued BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued	27008748	shares
CY2020Q4	us-gaap	Business Acquisition Equity Interests Issued Or Issuable Number Of Shares Issued BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued	26117239	shares
	us-gaap	Business Acquisition Equity Interests Issued Or Issuable Number Of Shares Issued BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued	27001360	shares
	us-gaap	Business Acquisition Equity Interests Issued Or Issuable Number Of Shares Issued BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued	26049750	shares
CY2021Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.04
CY2020Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.01
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.06
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.00
CY2021Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	27008748	shares
CY2020Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	26117239	shares
CY2021Q3	lpth	Foreign Currency Translation Adjustment ForeignCurrencyTranslationAdjustment	-144174	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	-632097	USD
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	32939531	USD
CY2021Q4	lpth	Settlement Of Rsus Net Amount SettlementOfRsusNetAmount	0	USD
CY2021Q4	lpth	Stock Based Compensation On Stock Options Rsus StockBasedCompensationOnStockOptionsRsus	184538	USD
CY2021Q4	lpth	Foreign Currency Translation Adjustment ForeignCurrencyTranslationAdjustment	284	USD
CY2020Q4	us-gaap	Revenues Revenues	9922171	USD
CY2021Q4	us-gaap	Inventory Raw Materials InventoryRawMaterials	3554854	USD
CY2021Q2	us-gaap	Inventory Raw Materials InventoryRawMaterials	3908630	USD
CY2021Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	2224616	USD
CY2021Q2	us-gaap	Inventory Work In Process InventoryWorkInProcess	2473070	USD
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CY2021Q2	us-gaap	Inventory Finished Goods InventoryFinishedGoods	3467105	USD
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	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	26049750	shares
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CY2021Q3	lpth	Employee Stock Purchase Plan Amount EmployeeStockPurchasePlanAmount	21726	USD
CY2021Q3	lpth	Stock Based Compensation On Stock Options Rsus StockBasedCompensationOnStockOptionsRsus	116591	USD
CY2021Q4	us-gaap	Net Income Loss NetIncomeLoss	-1055291	USD
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	32069062	USD
CY2020Q2	us-gaap	Stockholders Equity StockholdersEquity	34566941	USD
CY2020Q3	lpth	Employee Stock Purchase Plan Amount EmployeeStockPurchasePlanAmount	11009	USD
CY2020Q3	lpth	Exercise Of Stock Options Net Amount ExerciseOfStockOptionsNetAmount	126100	USD
CY2020Q3	lpth	Stock Based Compensation On Stock Options Rsus StockBasedCompensationOnStockOptionsRsus	136849	USD
CY2020Q3	lpth	Foreign Currency Translation Adjustment ForeignCurrencyTranslationAdjustment	729308	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	97068	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	35667275	USD
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CY2020Q4	lpth	Stock Based Compensation On Stock Options Rsus StockBasedCompensationOnStockOptionsRsus	106167	USD
CY2020Q4	lpth	Foreign Currency Translation Adjustment ForeignCurrencyTranslationAdjustment	723396	USD
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CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	36353027	USD
	us-gaap	Net Income Loss NetIncomeLoss	-1687388	USD
	us-gaap	Net Income Loss NetIncomeLoss	-49477	USD
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	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1691163	USD
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	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	301129	USD
	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	243016	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	12010	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	0	USD
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	us-gaap	Increase Decrease In Operating Liabilities IncreaseDecreaseInOperatingLiabilities	-86804	USD
	us-gaap	Inventory Write Down InventoryWriteDown	105993	USD
	us-gaap	Inventory Write Down InventoryWriteDown	133204	USD
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	us-gaap	Repayments Of Accounts Receivable Securitization RepaymentsOfAccountsReceivableSecuritization	654092	USD
	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	-130222	USD
	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	132051	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	1238529	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-841999	USD
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	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	266797	USD
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	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	699412	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-157372	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1542035	USD
	us-gaap	Payments To Acquire Oil And Gas Equipment PaymentsToAcquireOilAndGasEquipment	1317373	USD
	us-gaap	Payments To Acquire Oil And Gas Equipment PaymentsToAcquireOilAndGasEquipment	2160710	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1317373	USD
CY2021Q2	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	13941153	USD
CY2021Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	13279867	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	10676000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	10676000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	-5655661	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	-5093119	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	5020339	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	5582881	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear	562541	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	1125083	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	1125083	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	658398	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	1549234	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	5020339	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	0	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	128834	USD
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	21726	USD
CY2021Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	35396	USD
CY2021Q4	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.03	pure
CY2021Q4	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	184538	USD
CY2020Q4	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	106167	USD
	lpth	Discount On Employee Stock Purchase Plan DiscountOnEmployeeStockPurchasePlan	2155	USD
	lpth	Discount On Employee Stock Purchase Plan DiscountOnEmployeeStockPurchasePlan	1091	USD
	lpth	Discount On Employee Stock Purchase Plan Percentage DiscountOnEmployeeStockPurchasePlanPercentage	0.10	pure
CY2021Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	2.01
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P8Y9M18D
CY2021Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber	1761885	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Outstanding Weighted Average Remaining Contractual Terms ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms	P0Y10M24D
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	0
	lpth	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeiture In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeitureInPeriod	-15526	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	1.86
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CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	2.02
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CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	109630	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	1.60
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P7Y6M
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	1334978	shares
CY2021Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	307771	shares
CY2021Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	2.16
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CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	712493	shares
	lpth	Weighted Average Remaining Contract Life Unexercisable Balance Ending WeightedAverageRemainingContractLifeUnexercisableBalanceEnding	P0Y10M24D
CY2020Q4	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	47354	USD
CY2021Q4	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	5315	USD
CY2020Q4	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	11432	USD
CY2021Q4	lpth	Total Finance Lease Cost TotalFinanceLeaseCost	49140	USD
	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	11009	USD
	lpth	Increase Or Decrease In Loan Cost IncreaseOrDecreaseInLoanCost	-61223	USD
	lpth	Increase Or Decrease In Loan Cost IncreaseOrDecreaseInLoanCost	0	USD
	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	266850	USD
	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	275377	USD
	us-gaap	Proceeds From Repayments Of Other Long Term Debt ProceedsFromRepaymentsOfOtherLongTermDebt	-336985	USD
	us-gaap	Proceeds From Repayments Of Other Long Term Debt ProceedsFromRepaymentsOfOtherLongTermDebt	-395257	USD
	us-gaap	Repayments Of Debt And Capital Lease Obligations RepaymentsOfDebtAndCapitalLeaseObligations	133298	USD
	us-gaap	Repayments Of Debt And Capital Lease Obligations RepaymentsOfDebtAndCapitalLeaseObligations	136332	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-116369	USD
	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-4264	USD
	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	653899	USD
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	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-81145	USD
CY2021Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	6774694	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-2160710	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-242930	USD
CY2020Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	5387388	USD
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	5052755	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	5306243	USD
	us-gaap	Interest Paid Net InterestPaidNet	81533	USD
	us-gaap	Interest Paid Net InterestPaidNet	105029	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	197103	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	512499	USD
	us-gaap	Basis Of Accounting BasisOfAccounting	<p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:justify;"><strong>1. Basis of Presentation</strong></p><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:justify;"> </p><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:justify;">References in this document to “the Company,” “LightPath,” “we,” “us,” or “our” are intended to mean LightPath Technologies, Inc., individually, or as the context requires, collectively with its subsidiaries on a consolidated basis. </p><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:justify;"> </p><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:justify;">The accompanying unaudited Condensed Consolidated Financial Statements have been prepared in accordance with the requirements of Article 8 of Regulation S-X promulgated under the Exchange Act and, therefore, do not include all information and footnotes necessary for a fair presentation of financial position, results of operations, and cash flows in conformity with accounting principles generally accepted in the United States of America. These unaudited Condensed Consolidated Financial Statements should be read in conjunction with our Consolidated Financial Statements and related notes, included in our Annual Report on Form 10-K for the fiscal year ended June 30, 2021, filed with the SEC. Unless otherwise stated, references to particular years or quarters refer to our fiscal years ended June 30 and the associated quarters of those fiscal years.</p><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:justify;"> </p><p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:justify;">These Condensed Consolidated Financial Statements are unaudited, but include all adjustments, including normal recurring adjustments, which, in the opinion of management, are necessary to present fairly our financial position, results of operations and cash flows for the interim periods presented. The Consolidated Balance Sheet as of June 30, 2021 has been derived from the audited financial statements at that date but does not include all of the information and notes required by generally accepted accounting principles for complete financial statements. Results of operations for interim periods are not necessarily indicative of the results that may be expected for the year as a whole. The unaudited Condensed Consolidated Financial Statements include the accounts of the Company and its wholly-owned subsidiaries. All significant intercompany balances and transactions have been eliminated in consolidation.</p>
	us-gaap	Use Of Estimates UseOfEstimates	<p style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; MARGIN: 0px; text-align:justify;">Management makes estimates and assumptions during the preparation of our unaudited Condensed Consolidated Financial Statements that affect amounts reported in the unaudited Condensed Consolidated Financial Statements and accompanying notes. Such estimates and assumptions could change in the future as more information becomes available, which, in turn, could impact the amounts reported and disclosed herein.</p>
CY2020Q4	us-gaap	Lease Cost LeaseCost	232223	USD
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	9638515	USD
CY2021Q2	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	9015498	USD
CY2021Q2	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	477102	USD
CY2021Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Share Based Awards Other Than Options EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions	1079467	USD
CY2021Q4	us-gaap	Net Income Loss NetIncomeLoss	-1055291	USD
CY2020Q4	us-gaap	Net Income Loss NetIncomeLoss	-146545	USD
CY2021Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	27008748	shares
CY2020Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	26117239	shares
CY2021Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	27008748	shares
CY2020Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	26117239	shares
CY2021Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.04
CY2020Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.01
CY2021Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.04
CY2020Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.01
CY2021Q4	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1523570	shares
CY2020Q4	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2781775	shares
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CY2021Q4	us-gaap	Operating Lease Cost OperatingLeaseCost	171911	USD
CY2020Q4	us-gaap	Operating Lease Cost OperatingLeaseCost	173437	USD
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	43825	USD
CY2021Q4	lpth	Right Of Use Asset RightOfUseAsset	9770959	USD
CY2021Q2	lpth	Right Of Use Asset RightOfUseAsset	9492600	USD
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	816789	USD
CY2021Q2	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	799507	USD
CY2021Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	127278	USD
CY2021Q2	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	212212	USD
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	8943334	USD
CY2021Q2	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	8461133	USD
CY2021Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	18437	USD
CY2021Q2	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	66801	USD
CY2021Q4	lpth	Total Lease Liabilities TotalLeaseLiabilities	9905838	USD
CY2021Q2	lpth	Total Lease Liabilities TotalLeaseLiabilities	9539653	USD
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset Accumulated Amortization FinanceLeaseRightOfUseAssetAccumulatedAmortization	398000	USD
CY2021Q4	lpth	Weighted Average Remaining Lease Term In Years Operating Leases WeightedAverageRemainingLeaseTermInYearsOperatingLeases	P10Y10M24D
CY2021Q4	lpth	Finance Lease Weighted Average Remaining Lease Term2 FinanceLeaseWeightedAverageRemainingLeaseTerm2	P1Y1M6D
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.029	pure
CY2021Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.077	pure
	us-gaap	Operating Lease Payments Use OperatingLeasePaymentsUse	448485	USD
	us-gaap	Operating Lease Payments Use OperatingLeasePaymentsUse	427215	USD
	lpth	Finance Lease Payments Use FinanceLeasePaymentsUse	11747	USD
	lpth	Finance Lease Payments Use FinanceLeasePaymentsUse	24256	USD
	lpth	Financing Cash Used For Finance Leases FinancingCashUsedForFinanceLeases	133298	USD
	lpth	Financing Cash Used For Finance Leases FinancingCashUsedForFinanceLeases	136332	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Remainder Of Fiscal Year FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear	86738	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	326245	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	59647	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	1059682	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	11811	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	1038253	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	1065958	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	980589	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	7034987	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	158196	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	11505714	USD
CY2021Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	145715	USD
	us-gaap	Revenues Revenues	18346517	USD
	us-gaap	Revenues Revenues	19431143	USD
CY2021Q4	lpth	Allowance For Obsolescence AllowanceForObsolescence	-1271205	USD
CY2021Q2	lpth	Allowance For Obsolescence AllowanceForObsolescence	-1189218	USD
CY2021Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	28310969	USD
CY2021Q2	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	27221020	USD
CY2021Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	15152251	USD
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	13158718	USD
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	9760123	USD
CY2021Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-1019895	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-1522119	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	626275	USD
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.11	pure
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	1.08	pure
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	301129	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	243016	USD
	lpth	Weightedaverageexpectedvolatility Valuation Assumptions For Grants WeightedaverageexpectedvolatilityValuationAssumptionsForGrants	0.712	pure
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0	pure
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0074	pure
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P7Y5M26D
	lpth	Stock Option Balancebeginning Shares StockOptionBalancebeginningShares	432927	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Granted ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted	318461	shares
	lpth	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Granted Weighted Average Remaining Contractual Terms ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedWeightedAverageRemainingContractualTerms	P1Y6M
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Exercised ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised	27341	shares
	lpth	Stock Options Balance Ending Shares StockOptionsBalanceEndingShares	417401	shares
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal Remainder Of Fiscal Year LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear	309058	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	3976347	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	111006	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	111006	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	46253	USD
CY2021Q4	us-gaap	Long Term Debt LongTermDebt	4553670	USD
CY2021Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	3776246	USD
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber	2047471	shares
CY2021Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions	297323	USD
CY2021Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	1376790	USD
	us-gaap	Net Income Loss NetIncomeLoss	-1687388	USD
	us-gaap	Net Income Loss NetIncomeLoss	-49477	USD
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	27001360	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	26049750	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	27001360	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	26049750	shares
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.06
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.00
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.06
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.00
	us-gaap	Operating Lease Cost OperatingLeaseCost	344141	USD
	us-gaap	Operating Lease Cost OperatingLeaseCost	340411	USD
	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	91179	USD
	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	113223	USD
	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	11747	USD
	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	24256	USD
CY2020Q4	lpth	Total Finance Lease Cost TotalFinanceLeaseCost	58786	USD
	lpth	Total Finance Lease Cost TotalFinanceLeaseCost	102926	USD
	lpth	Total Finance Lease Cost TotalFinanceLeaseCost	137479	USD
CY2021Q4	us-gaap	Lease Cost LeaseCost	221051	USD
	us-gaap	Lease Cost LeaseCost	447067	USD
	us-gaap	Lease Cost LeaseCost	477890	USD
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	132444	USD
CY2021Q2	us-gaap	Finance Lease Right Of Use Asset Accumulated Amortization FinanceLeaseRightOfUseAssetAccumulatedAmortization	1200000	USD
CY2021Q4	lpth	Cumulative Gain CumulativeGain	2	USD
CY2021Q4	us-gaap	Foreign Currency Transaction Gain Loss Realized ForeignCurrencyTransactionGainLossRealized	-14000	USD
CY2020Q4	us-gaap	Foreign Currency Transaction Gain Loss Realized ForeignCurrencyTransactionGainLossRealized	77000	USD
	us-gaap	Foreign Currency Transaction Gain Loss Realized ForeignCurrencyTransactionGainLossRealized	-40000	USD
	us-gaap	Foreign Currency Transaction Gain Loss Realized ForeignCurrencyTransactionGainLossRealized	-21000	USD
CY2021Q4	us-gaap	Cash Equivalents At Carrying Value CashEquivalentsAtCarryingValue	5100000	USD
CY2021Q4	us-gaap	Cash Available For Distributions CashAvailableForDistributions	5200000	USD
CY2021	us-gaap	Legal Fees LegalFees	718000	USD
CY2021Q4	us-gaap	Legal Fees LegalFees	153000	USD
	us-gaap	Legal Fees LegalFees	481000	USD
CY2021Q2	us-gaap	Loss Contingency Estimate Of Possible Loss LossContingencyEstimateOfPossibleLoss	210000	USD
CY2021	us-gaap	Loss Contingency Accrual Payments LossContingencyAccrualPayments	485000	USD
	lpth	Cash And Cash Equivalents Held By Foreign Subsidiaries CashAndCashEquivalentsHeldByForeignSubsidiaries	0.50	pure

Files In Submission

Name	View Source	Status
0001654954-22-001420-index-headers.html	Edgar Link	pending
0001654954-22-001420-index.html	Edgar Link	pending
0001654954-22-001420.txt	Edgar Link	pending
0001654954-22-001420-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
lpth-20211231.xsd	Edgar Link	pending
lpth-20211231_cal.xml	Edgar Link	unprocessable
lpth-20211231_def.xml	Edgar Link	unprocessable
lpth-20211231_lab.xml	Edgar Link	unprocessable
lpth-20211231_pre.xml	Edgar Link	unprocessable
lpth_10q.htm	Edgar Link	pending
lpth_10q_htm.xml	Edgar Link	completed
lpth_ex311.htm	Edgar Link	pending
lpth_ex312.htm	Edgar Link	pending
lpth_ex321.htm	Edgar Link	pending
lpth_ex322.htm	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$LPTH
LIGHTPATH TECHNOLOGIES INC Stock $lpth

2021 Q4 Form 10-Q Financial Statement

#000165495422001420 Filed on February 10, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$LPTH LIGHTPATH TECHNOLOGIES INC Stock $lpth

2021 Q4 Form 10-Q Financial Statement

#000165495422001420 Filed on February 10, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$LPTH
LIGHTPATH TECHNOLOGIES INC Stock $lpth