$LPTH
LIGHTPATH TECHNOLOGIES INC Stock $lpth

$lpth Overview Financials Valuation SEC Filings Company Website

2022 Q3 Form 10-K Financial Statement

#000165495422012585 Filed on September 15, 2022

Income Statement

Concept	2022 Q3	2022 Q2	2022
Revenue	$7.367M	$8.907M	$35.56M
YoY Change	-19.07%	6.9%	-7.55%
Cost Of Revenue	$5.133M	$6.099M	$23.74M
YoY Change	-13.46%	-2.72%	-5.09%
Gross Profit	$2.234M	$2.809M	$11.81M
YoY Change	-29.57%	36.11%	-12.14%
Gross Profit Margin	30.32%	31.53%	33.23%
Selling, General & Admin	$2.638M	$2.787M	$11.22M
YoY Change	-8.05%	-29.99%	-6.4%
% of Gross Profit	118.1%	99.21%	94.98%
Research & Development	$549.9K	$516.3K	$2.086M
YoY Change	28.77%	-5.27%	-3.71%
% of Gross Profit	24.62%	18.38%	17.65%
Depreciation & Amortization	$816.3K	$854.1K	$3.618M
YoY Change	-10.39%	-5.04%	3.09%
% of Gross Profit	36.54%	30.41%	30.62%
Operating Expenses	$3.469M	$3.584M	$14.44M
YoY Change	-3.02%	-25.43%	-5.49%
Operating Profit	-$1.235M	-$775.5K	-$2.627M
YoY Change	204.74%	-71.73%	43.34%
Interest Expense	$70.37K	$25.59K	$229.5K
YoY Change	-198.08%	-315.77%	-206.07%
% of Operating Profit
Other Income/Expense, Net	-$43.15K	-$66.37K	$430.0K
YoY Change	-55.43%	-68.11%	-322.6%
Pretax Income	-$1.279M	-$825.2K	-$2.679M
YoY Change	154.58%	-72.15%	19.01%
Income Tax	$102.1K	$534.6K	$862.9K
% Of Pretax Income
Net Earnings	-$1.381M	-$1.360M	-$3.542M
YoY Change	118.43%	-53.32%	11.21%
Net Earnings / Revenue	-18.74%	-15.27%	-9.96%
Basic Earnings Per Share	-$0.05		-$0.13
Diluted Earnings Per Share	-$0.05	-$50.28K	-$0.13
COMMON SHARES
Basic Shares Outstanding	27.07M shares	27.05M shares	27.02M shares
Diluted Shares Outstanding	27.07M shares		27.02M shares

Balance Sheet

Concept	2022 Q3	2022 Q2	2022
SHORT-TERM ASSETS
Cash & Short-Term Investments	$4.299M	$5.508M	$5.508M
YoY Change	8.09%	-18.7%	-18.7%
Cash & Equivalents	$4.299M	$5.508M	$5.508M
Short-Term Investments
Other Short-Term Assets	$434.6K	$464.8K	$464.8K
YoY Change	-4.62%	-2.22%	-2.22%
Inventory	$7.006M	$6.985M	$6.985M
Prepaid Expenses
Receivables	$4.584M	$5.211M	$5.211M
Other Receivables	$82.39K	$0.00	$0.00
Total Short-Term Assets	$16.41M	$18.17M	$18.17M
YoY Change	-13.98%	-12.24%	-12.24%
LONG-TERM ASSETS
Property, Plant & Equipment	$10.77M	$11.64M	$22.06M
YoY Change	-21.56%	-12.35%	-1.05%
Goodwill	$5.855M	$5.855M
YoY Change	0.0%	0.0%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$47.07K	$170.7K	$170.7K
YoY Change	69.69%	515.57%	-2.29%
Total Long-Term Assets	$31.08M	$32.54M	$32.54M
YoY Change	-11.2%	-4.02%	-4.02%
TOTAL ASSETS
Total Short-Term Assets	$16.41M	$18.17M	$18.17M
Total Long-Term Assets	$31.08M	$32.54M	$32.54M
Total Assets	$47.49M	$50.71M	$50.71M
YoY Change	-12.18%	-7.14%	-7.14%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$2.344M	$3.074M	$3.074M
YoY Change	-9.19%	5.12%	8.82%
Accrued Expenses	$864.3K	$558.8K	$3.606M
YoY Change	-2.16%	-47.65%	-22.91%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$1.113M	$1.054M	$1.054M
YoY Change	28.39%	24.44%	24.44%
Total Short-Term Liabilities	$7.171M	$7.734M	$7.734M
YoY Change	-7.66%	-8.46%	-8.46%
LONG-TERM LIABILITIES
Long-Term Debt	$2.948M	$3.219M	$3.230M
YoY Change	-28.6%	-21.96%	-21.68%
Other Long-Term Liabilities	$9.115M	$9.478M	$9.478M
YoY Change	-1.36%	12.02%	12.02%
Total Long-Term Liabilities	$2.948M	$3.219M	$12.71M
YoY Change	-77.95%	-74.43%	0.98%
TOTAL LIABILITIES
Total Short-Term Liabilities	$7.171M	$7.734M	$7.734M
Total Long-Term Liabilities	$2.948M	$3.219M	$12.71M
Total Liabilities	$19.75M	$20.98M	$20.98M
YoY Change	-6.54%	-0.24%	-0.24%
SHAREHOLDERS EQUITY
Retained Earnings	-$205.2M	-$203.8M
YoY Change	2.14%	1.77%
Common Stock	$232.9M	$232.6M
YoY Change	0.45%	0.38%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$27.74M	$29.73M	$29.73M
YoY Change
Total Liabilities & Shareholders Equity	$47.49M	$50.71M	$50.71M
YoY Change	-12.18%	-7.14%	-7.14%

Cashflow Statement

Concept	2022 Q3	2022 Q2	2022
OPERATING ACTIVITIES
Net Income	-$1.381M	-$1.360M	-$3.542M
YoY Change	118.43%	-53.32%	11.21%
Depreciation, Depletion And Amortization	$816.3K	$854.1K	$3.618M
YoY Change	-10.39%	-5.04%	3.09%
Cash From Operating Activities	-$415.4K	$1.112M	$1.464M
YoY Change	-74.32%	-32.7%	-69.06%
INVESTING ACTIVITIES
Capital Expenditures	$243.4K	-$133.9K	$1.627M
YoY Change	-120.3%	-69.47%	-151.5%
Acquisitions
YoY Change
Other Investing Activities
YoY Change
Cash From Investing Activities	-$243.4K	-$133.9K	-$1.627M
YoY Change	-79.7%	-69.47%	-48.5%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-$187.1K	-211.4K	-$636.2K
YoY Change	-467.41%	-60.37%	-24.57%
NET CHANGE
Cash From Operating Activities	-$415.4K	1.112M	$1.464M
Cash From Investing Activities	-$243.4K	-133.9K	-$1.627M
Cash From Financing Activities	-$187.1K	-211.4K	-$636.2K
Net Change In Cash	-$1.209M	766.4K	-$1.267M
YoY Change	-56.29%	12.73%	-273.58%
FREE CASH FLOW
Cash From Operating Activities	-$415.4K	$1.112M	$1.464M
Capital Expenditures	$243.4K	-$133.9K	$1.627M
Free Cash Flow	-$658.7K	$1.246M	-$162.5K
YoY Change	57.34%	-40.42%	-102.06%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2021Q2	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	66801	usd
CY2022Q2	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	9478077	usd
CY2021Q2	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	8461133	usd
CY2022Q2	us-gaap	Long Term Loans Payable LongTermLoansPayable	3218580	usd
CY2022	dei	Entity Central Index Key EntityCentralIndexKey	0000889971
CY2022	dei	Amendment Flag AmendmentFlag	false
CY2022	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--06-30
CY2022	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2022	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
CY2021Q2	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2021Q2	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	500000	shares
CY2022Q2	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2021Q2	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2022Q2	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2021Q2	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2021Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2021Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	44500000	shares
CY2022Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	27046790	shares
CY2021Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	26985913	shares
CY2022	lpth	Weighted Average Remaining Contract Life Unexercisable Balance Ending WeightedAverageRemainingContractLifeUnexercisableBalanceEnding	P10M24D
CY2022	lpth	Sharebased Compensation Arrangement By Sharebased Payment Award Shares Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardSharesNonvestedNumberOfShares	920571	shares
CY2022	lpth	Share Based Compensation Arrangement By Share Based Payment Award Vested In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardVestedInPeriodGross	-302298	shares
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	0	usd
CY2022Q2	lpth	Employee Service Share Based Compensations Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationsNonvestedAwardsTotalCompensationCostNotYetRecognized	1100000.0	usd
CY2022	us-gaap	Lease Expiration Date1 LeaseExpirationDate1	2022-04-30
CY2022Q2	lpth	Long Term Debt Maturities Repayments Of Principal After Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFour	0	usd
CY2022	dei	Document Type DocumentType	10-K
CY2022	dei	Document Annual Report DocumentAnnualReport	true
CY2022	dei	Document Period End Date DocumentPeriodEndDate	2022-06-30
CY2022	dei	Document Transition Report DocumentTransitionReport	false
CY2022	dei	Entity File Number EntityFileNumber	000-27548
CY2022	dei	Entity Registrant Name EntityRegistrantName	LIGHTPATH TECHNOLOGIES, INC.
CY2022	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2022	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	86-0708398
CY2022	dei	Entity Address Address Line1 EntityAddressAddressLine1	2603 Challenger Tech Court
CY2022	dei	Entity Address Address Line2 EntityAddressAddressLine2	Suite 100
CY2022	dei	Entity Address City Or Town EntityAddressCityOrTown	Orlando
CY2022	dei	Entity Address State Or Province EntityAddressStateOrProvince	FL
CY2022	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	32826
CY2022	dei	City Area Code CityAreaCode	407
CY2022	dei	Local Phone Number LocalPhoneNumber	382-4003
CY2022	dei	Security12b Title Security12bTitle	Class A CommonStock, par value $0.01
CY2022	dei	Trading Symbol TradingSymbol	LPTH
CY2022	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2022	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2022	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2022	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2022	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2022	dei	Entity Filer Category EntityFilerCategory	Non-accelerated Filer
CY2022	dei	Entity Small Business EntitySmallBusiness	true
CY2022	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2022	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	false
CY2022	dei	Entity Shell Company EntityShellCompany	false
CY2021Q4	dei	Entity Public Float EntityPublicFloat	64792006	usd
CY2022Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	27071929	shares
CY2022	dei	Auditor Firm AuditorFirmId	569
CY2022	dei	Auditor Name AuditorName	MSL, P.A.
CY2022	dei	Auditor Location AuditorLocation	Orlando, Florida
CY2022Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	5507891	usd
CY2021Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	6774694	usd
CY2022Q2	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	36313	usd
CY2021Q2	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	45643	usd
CY2022Q2	us-gaap	Accounts Receivable Net AccountsReceivableNet	5211292	usd
CY2021Q2	us-gaap	Accounts Receivable Net AccountsReceivableNet	4656354	usd
CY2022Q2	us-gaap	Inventory Net InventoryNet	6985427	usd
CY2021Q2	us-gaap	Inventory Net InventoryNet	8659587	usd
CY2022Q2	us-gaap	Other Receivables Net Current OtherReceivablesNetCurrent	0	usd
CY2021Q2	us-gaap	Other Receivables Net Current OtherReceivablesNetCurrent	137103	usd
CY2022Q2	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	464804	usd
CY2021Q2	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	475364	usd
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CY2021Q2	us-gaap	Assets Current AssetsCurrent	20703102	usd
CY2022Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	11640463	usd
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CY2021Q2	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	5582881	usd
CY2022Q2	us-gaap	Goodwill Goodwill	5854905	usd
CY2021Q2	us-gaap	Goodwill Goodwill	5854905	usd
CY2022Q2	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	143000	usd
CY2021Q2	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	147000	usd
CY2022Q2	us-gaap	Other Assets OtherAssets	27737	usd
CY2021Q2	us-gaap	Other Assets OtherAssets	27737	usd
CY2022Q2	us-gaap	Assets Assets	50713921	usd
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CY2022Q2	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	558750	usd
CY2021Q2	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	1067265	usd
CY2022Q2	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	2081212	usd
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CY2022Q2	us-gaap	Loans Payable Current LoansPayableCurrent	998692	usd
CY2021Q2	us-gaap	Loans Payable Current LoansPayableCurrent	634846	usd
CY2022Q2	us-gaap	Capital Lease Obligations Current CapitalLeaseObligationsCurrent	55348	usd
CY2021Q2	us-gaap	Capital Lease Obligations Current CapitalLeaseObligationsCurrent	212212	usd
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CY2021Q2	us-gaap	Liabilities Current LiabilitiesCurrent	8448206	usd
CY2022Q2	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	541015	usd
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CY2022Q2	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	11454	usd
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CY2022Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-203789358	usd
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CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	26314025	shares
CY2020Q2	us-gaap	Stockholders Equity StockholdersEquity	34566941	usd
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CY2021	lpth	Exercise Of Stock Options Rsus Net Amount ExerciseOfStockOptionsRsusNetAmount	142692	usd
CY2021	lpth	Stock Based Compensation On Stock Options Rsus StockBasedCompensationOnStockOptionsRsus	642865	usd
CY2021	lpth	Foreign Currency Translation Adjustment ForeignCurrencyTranslationAdjustment	1380260	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-3185251	usd
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	33577485	usd
CY2022	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	51711	usd
CY2022	lpth	Exercise Of Stock Options Rsus Net Amount ExerciseOfStockOptionsRsusNetAmount	0	usd
CY2022	lpth	Stock Based Compensation On Stock Options Rsus StockBasedCompensationOnStockOptionsRsus	825250	usd
CY2022	lpth	Foreign Currency Translation Adjustment ForeignCurrencyTranslationAdjustment	-1181027	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	-3542181	usd
CY2022Q2	us-gaap	Stockholders Equity StockholdersEquity	29731238	usd
CY2022	us-gaap	Profit Loss ProfitLoss	3542181	usd
CY2021	us-gaap	Profit Loss ProfitLoss	3185251	usd
CY2022	us-gaap	Depreciation And Amortization DepreciationAndAmortization	3617743	usd
CY2021	us-gaap	Depreciation And Amortization DepreciationAndAmortization	3509436	usd
CY2022	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	51974	usd
CY2021	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	18572	usd
CY2022	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-9235	usd
CY2021	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-8951	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	825250	usd
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	642865	usd
CY2022	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	7713	usd
CY2021	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	-35799	usd
CY2022	us-gaap	Increase Decrease In Operating Liabilities IncreaseDecreaseInOperatingLiabilities	-222047	usd
CY2021	us-gaap	Increase Decrease In Operating Liabilities IncreaseDecreaseInOperatingLiabilities	-187616	usd
CY2022	us-gaap	Inventory Write Down InventoryWriteDown	456538	usd
CY2021	us-gaap	Inventory Write Down InventoryWriteDown	157399	usd
CY2022	us-gaap	Deferred Other Tax Expense Benefit DeferredOtherTaxExpenseBenefit	545015	usd
CY2021	us-gaap	Deferred Other Tax Expense Benefit DeferredOtherTaxExpenseBenefit	512000	usd
CY2022	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	562651	usd
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-1568171	usd
CY2022	us-gaap	Increase Decrease In Other Receivables IncreaseDecreaseInOtherReceivables	-137103	usd
CY2021	us-gaap	Increase Decrease In Other Receivables IncreaseDecreaseInOtherReceivables	5052	usd
CY2022	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-1217622	usd
CY2021	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-167496	usd
CY2022	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-10560	usd
CY2021	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-137810	usd
CY2022	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-1087746	usd
CY2021	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	1423042	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1464128	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	4732024	usd
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1626614	usd
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	3158784	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1626614	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-3158784	usd
CY2022	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	0	usd
CY2021	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	142692	usd
CY2022	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	51711	usd
CY2021	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	29978	usd
CY2022	lpth	Increase Or Decrease In Loan Cost IncreaseOrDecreaseInLoanCost	-61223	usd
CY2021	lpth	Increase Or Decrease In Loan Cost IncreaseOrDecreaseInLoanCost	0	usd
CY2022	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	266850	usd
CY2021	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	275377	usd
CY2022	us-gaap	Proceeds From Repayments Of Other Long Term Debt ProceedsFromRepaymentsOfOtherLongTermDebt	-681301	usd
CY2021	us-gaap	Proceeds From Repayments Of Other Long Term Debt ProceedsFromRepaymentsOfOtherLongTermDebt	-1013014	usd
CY2022	us-gaap	Repayments Of Debt And Capital Lease Obligations RepaymentsOfDebtAndCapitalLeaseObligations	212211	usd
CY2021	us-gaap	Repayments Of Debt And Capital Lease Obligations RepaymentsOfDebtAndCapitalLeaseObligations	278462	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-636174	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-843429	usd
CY2022	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-468143	usd
CY2021	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	657495	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-1266803	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	1387306	usd
CY2021Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	6774694	usd
CY2020Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	5387388	usd
CY2022Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	5507891	usd
CY2021Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	6774694	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	157407	usd
CY2021	us-gaap	Interest Paid Net InterestPaidNet	199524	usd
CY2022	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	267585	usd
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	1054232	usd
CY2021Q2	us-gaap	Inventory Finished Goods InventoryFinishedGoods	3467105	usd
CY2022Q2	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	1329637	usd
CY2021Q2	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	1189218	usd
CY2022	us-gaap	Inventory For Long Term Contracts Or Programs Description InventoryForLongTermContractsOrProgramsDescription	The Company looks at the following criteria for parts to consider for the inventory allowance: (i) items that have not been sold in two years and (ii) items that have not been purchased in two years. These items, as identified, are allowed for at 100%, as well as allowing 50% for other items deemed to be slow moving within the last twelve months and allowing 25% for items deemed to have low material usage within the last six months. Items of which we have greater than a two-year supply are also reserved at 25% to 100%, depending on usage rates.
CY2021Q2	us-gaap	Inventory Raw Materials InventoryRawMaterials	3908630	usd
CY2022Q2	us-gaap	Inventory Work In Process InventoryWorkInProcess	2243907	usd
CY2022Q2	us-gaap	Inventory Net InventoryNet	6985427	usd
CY2021Q2	us-gaap	Inventory Net InventoryNet	8659587	usd
CY2022	lpth	Number Of Common Purcase Within Offering Period NumberOfCommonPurcaseWithinOfferingPeriod	4000	shares
CY2022	lpth	Discount Of Purchase Of Common Stock DiscountOfPurchaseOfCommonStock	5000	usd
CY2022Q2	lpth	Cash And Cash Equivalent At Carrying Value CashAndCashEquivalentAtCarryingValue	5500000	usd
CY2022	us-gaap	Foreign Earnings Repatriated ForeignEarningsRepatriated	2800000	usd
CY2021	us-gaap	Foreign Earnings Repatriated ForeignEarningsRepatriated	4000000	usd
CY2022Q2	lpth	Retained Earning Accumulated Deficit RetainedEarningAccumulatedDeficit	3900000	usd
CY2022Q2	us-gaap	Accrued Income Taxes AccruedIncomeTaxes	40000	usd
CY2021Q2	us-gaap	Accrued Income Taxes AccruedIncomeTaxes	100000	usd
CY2022Q2	us-gaap	Inventory Raw Materials InventoryRawMaterials	3019156	usd
CY2021Q2	us-gaap	Inventory Work In Process InventoryWorkInProcess	2473070	usd
CY2022Q2	us-gaap	Inventory Finished Goods InventoryFinishedGoods	3052001	usd
CY2022	us-gaap	Inventory Lifo Reserve Effect On Income Net InventoryLIFOReserveEffectOnIncomeNet	457000	usd
CY2021	us-gaap	Inventory Lifo Reserve Effect On Income Net InventoryLIFOReserveEffectOnIncomeNet	157000	usd
CY2015	us-gaap	Payments For Proceeds From Tenant Allowance PaymentsForProceedsFromTenantAllowance	420014	usd
CY2019	us-gaap	Payments For Proceeds From Tenant Allowance PaymentsForProceedsFromTenantAllowance	309450	usd
CY2022Q2	us-gaap	Capital Units Authorized CapitalUnitsAuthorized	55000000	shares
CY2022Q2	lpth	Common Stock Share Authorized CommonStockShareAuthorized	50000000	shares
CY2022Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2022Q2	lpth	Preferred Stock Share Authorized PreferredStockShareAuthorized	5000000	shares
CY2022Q2	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2021	lpth	Income Tax Reconciliation Irc965 Repatriation IncomeTaxReconciliationIRC965Repatriation	3516695	usd
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	0	usd
CY2022	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	0	usd
CY2022	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	3829	usd
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	18563	usd
CY2022	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	314063	usd
CY2021	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	403352	usd
CY2022	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	317892	usd
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	421915	usd
CY2022	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	4000	usd
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	510069	usd
CY2022	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	0	usd
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	1931	usd
CY2022	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	541015	usd
CY2021	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	0	usd
CY2022	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	545015	usd
CY2021	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	512000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	862907	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	933915	usd
CY2022Q2	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	1160000	usd
CY2021Q2	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	1443000	usd
CY2022Q2	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	1923988	usd
CY2021	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 At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210	pure
CY2022	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-562648	usd
CY2021	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-472782	usd
CY2022	lpth	Net Foreign Income Subject To Lower Tax Rate NetForeignIncomeSubjectToLowerTaxRate	-297049	usd
CY2021	lpth	Net Foreign Income Subject To Lower Tax Rate NetForeignIncomeSubjectToLowerTaxRate	-169276	usd
CY2022	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-159950	usd
CY2021	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-196719	usd
CY2022	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-1255273	usd
CY2021	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-1400450	usd
CY2022	lpth	Income Tax Reconciliation Irc965 Repatriation IncomeTaxReconciliationIRC965Repatriation	2550645	usd
CY2022	lpth	Income Tax Reconciliation Gilti IncomeTaxReconciliationGILTI	138611	usd
CY2021	lpth	Income Tax Reconciliation Gilti IncomeTaxReconciliationGILTI	310431	usd
CY2022	lpth	Income Tax Reconciliation Federal Research And Development And Other Credits IncomeTaxReconciliationFederalResearchAndDevelopmentAndOtherCredits	-121990	usd
CY2021	lpth	Income Tax Reconciliation Federal Research And Development And Other Credits IncomeTaxReconciliationFederalResearchAndDevelopmentAndOtherCredits	-74288	usd
CY2022	lpth	Income Tax Reconciliation Stockbased Compensation IncomeTaxReconciliationStockbasedCompensation	20472	usd
CY2021	lpth	Income Tax Reconciliation Stockbased Compensation IncomeTaxReconciliationStockbasedCompensation	-265485	usd
CY2022	us-gaap	Income Tax Reconciliation Nondeductible Expense Other IncomeTaxReconciliationNondeductibleExpenseOther	11387	usd
CY2021	us-gaap	Income Tax Reconciliation Nondeductible Expense Other IncomeTaxReconciliationNondeductibleExpenseOther	-67893	usd
CY2022	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	538702	usd
CY2021	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	-246318	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	862907	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	933915	usd
CY2020Q2	us-gaap	Income Tax Receivable IncomeTaxReceivable	107000	usd
CY2021Q2	lpth	Cash Saving Due To Utilization Of Payroll Tax Deferral CashSavingDueToUtilizationOfPayrollTaxDeferral	325000	usd
CY2022	lpth	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rates EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRates	0.25	pure
CY2022	us-gaap	Dividends Dividends	2800000	usd
CY2021	us-gaap	Dividends Dividends	4000000	usd
CY2022	lpth	Chinese Withholding Tax Paid ChineseWithholdingTaxPaid	280000	usd
	lpth	Chinese Withholding Tax Paid ChineseWithholdingTaxPaid	400000	usd
CY2022	lpth	Associated Income Tax Expense AssociatedIncomeTaxExpense	208000	usd
	lpth	Associated Income Tax Expense AssociatedIncomeTaxExpense	500000	usd
CY2022Q2	lpth	Unpaid Withholding Tax UnpaidWithholdingTax	40000	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0.20	pure
CY2021Q2	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	1698000	usd
CY2022Q2	lpth	Net Deferred Tax Asset NetDeferredTaxAsset	-398015	usd
CY2021Q2	lpth	Net Deferred Tax Asset NetDeferredTaxAsset	147000	usd
CY2022	lpth	Future Taxable Income FutureTaxableIncome	53000000	usd
CY2022	lpth	Valuation Adjustment Against Deferred Tax Asset ValuationAdjustmentAgainstDeferredTaxAsset	14400000	usd
CY2022	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	1200000	usd
CY2022Q2	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	143000	usd
CY2022	lpth	Maximum Number Of Shares Empolyee Can Purchase MaximumNumberOfSharesEmpolyeeCanPurchase	8000	shares
CY2022	lpth	Offering Period OfferingPeriod	P12Y
CY2022Q2	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	12197277	usd
CY2021Q2	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	13585000	usd
CY2022Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	536000	usd
CY2021Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	563000	usd
CY2022Q2	us-gaap	Deferred Tax Assets In Process Research And Development DeferredTaxAssetsInProcessResearchAndDevelopment	2279000	usd
CY2021Q2	us-gaap	Deferred Tax Assets In Process Research And Development DeferredTaxAssetsInProcessResearchAndDevelopment	2177000	usd
CY2022Q2	lpth	Deferred Tax Assets Capitalized Rd Expenses DeferredTaxAssetsCapitalizedRDExpenses	371000	usd
CY2021Q2	lpth	Deferred Tax Assets Capitalized Rd Expenses DeferredTaxAssetsCapitalizedRDExpenses	564000	usd
CY2022Q2	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	263973	usd
CY2021Q2	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	253000	usd
CY2022Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	267000	usd
CY2021Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	347000	usd
CY2022Q2	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	15914250	usd
CY2021Q2	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	17489000	usd
CY2022Q2	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	14388277	usd
CY2021Q2	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	15644000	usd
CY2022Q2	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	1525973	usd
CY2021Q2	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	1845000	usd
CY2022Q2	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	763988	usd
CY2021Q2	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	255000	usd
CY2021	lpth	Discount Of Purchase Of Common Stock DiscountOfPurchaseOfCommonStock	3000	usd
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	5515625	shares
CY2022Q2	lpth	Share Based Compensation Arrangement By Share Based Payment Award Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOutstandingNumber	2614131	shares
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	642767	shares
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.808	pure
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.720	pure
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
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0209	pure
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0074	pure
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P3Y9M
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P7Y5M26D
CY2020Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	942575	shares
CY2020Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	1.65
CY2021	lpth	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm1	P6Y6M
CY2020Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber	2328303	shares
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Outstanding Weighted Average Remaining Contractual Terms ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms	P0Y10M24D
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	121933	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	2.97
CY2021	lpth	Weighted Average Remaining Contract Life Granted WeightedAverageRemainingContractLifeGranted	P9Y8M12D
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Granted ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted	296386	shares
CY2021	lpth	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Granted Weighted Average Remaining Contractual Terms ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedWeightedAverageRemainingContractualTerms	P2Y3M18D
CY2021	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	225137	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	1.50
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Exercised ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised	862804	shares
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	406444	shares
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	1.75
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	0
CY2021Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	432927	shares
CY2021Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	2.01
CY2021	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
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Outstanding Weighted Average Remaining Contractual Terms ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms	P0Y10M24D
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	125000	shares
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	2.02
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Granted ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted	368461	shares
CY2022	lpth	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Granted Weighted Average Remaining Contractual Terms ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantedWeightedAverageRemainingContractualTerms	P1Y2M12D
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Exercised ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised	45143	shares
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	23465	shares
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	1.67
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Forfeitures And Expirations ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeituresAndExpirations	5534	shares
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	534462	shares
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	2.03
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P7Y
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber	2079669	shares
CY2021	lpth	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Outstanding Weighted Average Remaining Contractual Terms2 ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms2	P0Y10M24D
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	215141	shares
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	1.87
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P7Y1M6D
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	1334978	shares
CY2022Q2	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	319321	shares
CY2022Q2	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	2.14
CY2022	lpth	Weighted Average Remaining Contract Life Unexercisable Balance Ending1 WeightedAverageRemainingContractLifeUnexercisableBalanceEnding1	P7Y1M6D
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	744691	shares
CY2022	lpth	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Outstanding Weighted Average Remaining Contractual Terms2 ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms2	P0Y10M24D
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	344000	usd
CY2022Q2	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	42000	usd
CY2021Q2	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	285000	usd
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	24000	usd
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	142000	usd
CY2022Q2	lpth	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisesInPeriodTotalIntrinsicValue	77000000000	usd
CY2021Q2	lpth	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisesInPeriodTotalIntrinsicValue	2800000	usd
CY2022Q2	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Equity Instruments Other Than Options Aggregate Intrinsic Value Outstanding SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding	1600000	usd
CY2021Q2	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Equity Instruments Other Than Options Aggregate Intrinsic Value Outstanding SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding	3000000.0	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	395000	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	1100000	usd
CY2022Q2	lpth	Share Based Payment Arrangement Nonvested Award Cost Not Yet Recognized Amount ShareBasedPaymentArrangementNonvestedAwardCostNotYetRecognizedAmount	334059	usd
CY2022Q2	lpth	Share Based Payment Arrangements Nonvested Award Cost Not Yet Recognized Amount ShareBasedPaymentArrangementsNonvestedAwardCostNotYetRecognizedAmount	777022	usd
CY2022Q2	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	1111081	usd
CY2020Q2	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	266282	shares
CY2020Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	669526	shares
CY2021	lpth	Sharebased Compensation Arrangement By Sharebased Payment Award Shares Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardSharesNonvestedNumberOfShares	935808	shares
CY2020Q2	lpth	Share Based Compensation Arrangement By Share Based Payment Award Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedWeightedAverageGrantDateFairValue	1.10
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	121933	shares
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	296386	shares
CY2021	lpth	Share Based Compensation Arrangement By Share Based Payment Award Shares Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesGrantsInPeriodGross	418319	shares
CY2021	lpth	Share Based Compensation Arrangement By Share Based Payment Awards Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardsGrantsInPeriodWeightedAverageGrantDateFairValue	2.48
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares	64636	shares
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	367325	shares
CY2021	lpth	Share Based Compensation Arrangement By Share Based Payment Award Vested In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardVestedInPeriodGross	-431961	shares
CY2021	lpth	Share Based Compensation Arrangement By Share Based Payment Award Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardVestedInPeriodWeightedAverageGrantDateFairValue	1.39
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Options Forfeited Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares	1595	shares
CY2021	lpth	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Cancelled Forfeited Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedCancelledForfeitedNumberOfShares	-1595	shares
CY2021	lpth	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Cancelled Forfeited Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedCancelledForfeitedWeightedAverageGrantDateFairValue	2.85
CY2021Q2	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	321984	shares
CY2021Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	598587	shares
CY2021Q2	lpth	Sharebased Compensation Arrangement By Sharebased Payment Award Shares Nonvested Number Of Share SharebasedCompensationArrangementBySharebasedPaymentAwardSharesNonvestedNumberOfShare	920571	shares
CY2021Q2	lpth	Share Based Compensation Arrangement By Share Based Payment Award Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedWeightedAverageGrantDateFairValue	1.59
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	125000	shares
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	368461	shares
CY2022	lpth	Share Based Compensation Arrangement By Share Based Payment Award Shares Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesGrantsInPeriodGross	493461	shares
CY2022	lpth	Share Based Compensation Arrangement By Share Based Payment Awards Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardsGrantsInPeriodWeightedAverageGrantDateFairValue	1.74
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares	118696	shares
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	216823	shares
CY2022	lpth	Share Based Compensation Arrangement By Share Based Payment Award Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardVestedInPeriodWeightedAverageGrantDateFairValue	1.42
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Options Forfeited Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares	8967	shares
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	5534	shares
CY2022	lpth	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Cancelled Forfeited Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedCancelledForfeitedNumberOfShares	-14501	shares
CY2022	lpth	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Cancelled Forfeited Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedCancelledForfeitedWeightedAverageGrantDateFairValue	1.97
CY2022Q2	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	319321	shares
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	744691	shares
CY2022Q2	lpth	Sharebased Compensation Arrangement By Sharebased Payment Award Shares Nonvested Number Of Share SharebasedCompensationArrangementBySharebasedPaymentAwardSharesNonvestedNumberOfShare	1064012	shares
CY2022Q2	lpth	Share Based Compensation Arrangement By Share Based Payment Award Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedWeightedAverageGrantDateFairValue	1.71
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	825250	usd
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	642865	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	-3542181	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-3185251	usd
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	27019534	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	26314025	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	27019534	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	26314025	shares
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.13
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.12
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.13
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.12
CY2022	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2390134	shares
CY2021	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2711413	shares
CY2022	lpth	Description Of Plan DescriptionOfPlan	Under the Insperity Plan, the Company matches 100% of the first 2% of employee contributions. As of June 30, 2022, there were 72 employees enrolled in this plan
CY2022	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	123000	usd
CY2021	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	111000	usd
CY2021Q2	us-gaap	Area Of Real Estate Property AreaOfRealEstateProperty	55000	sqft
CY2022	lpth	Description Of Lease DescriptionOfLease	expiring through 2024 to 2032
CY2022	lpth	Lease Term LeaseTerm	P12Y
CY2022Q2	lpth	Finance Lease Rights Of Use Asset Accumulated Amortization FinanceLeaseRightsOfUseAssetAccumulatedAmortization	418000	usd
CY2021Q2	lpth	Finance Lease Rights Of Use Asset Accumulated Amortization FinanceLeaseRightsOfUseAssetAccumulatedAmortization	477000	usd
CY2022Q2	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.030	pure
CY2022Q2	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.076	pure
CY2022Q2	lpth	Finance Lease Liability Payments Due Year One FinanceLeaseLiabilityPaymentsDueYearOne	59647	usd
CY2022Q2	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	721901	usd
CY2022Q2	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	11811	usd
CY2022Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	1204323	usd
CY2022Q2	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	0	usd
CY2022Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	1225047	usd
CY2022Q2	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	0	usd
CY2022Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	1193987	usd
CY2022Q2	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	0	usd
CY2022Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	1163610	usd
CY2022Q2	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	0	usd
CY2022Q2	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	6928833	usd
CY2022Q2	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	103005	usd
CY2022Q2	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	940988	usd
CY2022Q2	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	3130360	usd
CY2022Q2	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	42919	usd
CY2022Q2	lpth	Total Payments TotalPayments	4217272	usd
CY2022Q2	us-gaap	Loans Payable Current LoansPayableCurrent	998692	usd
CY2022Q2	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	3218580	usd
CY2022Q2	lpth	Stock Offering Price StockOfferingPrice	75800000	usd
CY2022Q2	lpth	A Common Stock Offering Price ACommonStockOfferingPrice	25200000	usd
CY2022Q2	lpth	Offering Price Decreasing OfferingPriceDecreasing	50600000	usd
CY2022Q2	lpth	Cash And Cash Equivalents At Carrying Value Percentage Held By Foreign Subsidiaries CashAndCashEquivalentsAtCarryingValuePercentageHeldByForeignSubsidiaries	0.50	pure
CY2021	us-gaap	Payments For Fees PaymentsForFees	718000	usd
CY2022	lpth	Related Expenses RelatedExpenses	400000	usd
CY2021Q2	us-gaap	Loss Contingency Estimate Of Possible Loss LossContingencyEstimateOfPossibleLoss	210000	usd
CY2021	us-gaap	Loss Contingency Accrual Payments LossContingencyAccrualPayments	485000	usd
CY2022	us-gaap	Other Expenses OtherExpenses	430000	usd
CY2022Q2	lpth	Cumulative Gain CumulativeGain	935000	usd
CY2021Q2	lpth	Cumulative Gain CumulativeGain	2100000	usd
CY2022	us-gaap	Foreign Currency Transaction Gain Loss Realized ForeignCurrencyTransactionGainLossRealized	3000	usd
CY2021	us-gaap	Foreign Currency Transaction Gain Loss Realized ForeignCurrencyTransactionGainLossRealized	1000	usd
CY2022	lpth	Aggregate Annual Revenue AggregateAnnualRevenue	0.35	pure
CY2022	lpth	Aggregate Accounts Receivable AggregateAccountsReceivable	0.13	pure
CY2021	lpth	Aggregate Annual Revenue AggregateAnnualRevenue	0.38	pure
CY2021	lpth	Aggregate Accounts Receivable AggregateAccountsReceivable	0.31	pure

Files In Submission

Name	View Source	Status
0001654954-22-012585-index-headers.html	Edgar Link	pending
0001654954-22-012585-index.html	Edgar Link	pending
0001654954-22-012585.txt	Edgar Link	pending
0001654954-22-012585-xbrl.zip	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
lpth-20220630.xsd	Edgar Link	pending
lpth_10k.htm	Edgar Link	pending
lpth_ex211.htm	Edgar Link	pending
lpth_ex231.htm	Edgar Link	pending
lpth_ex24.htm	Edgar Link	pending
lpth_ex311.htm	Edgar Link	pending
lpth_ex312.htm	Edgar Link	pending
lpth_ex321.htm	Edgar Link	pending
lpth_ex322.htm	Edgar Link	pending
lpth_ex41.htm	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
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FilingSummary.xml	Edgar Link	unprocessable
lpth-20220630_def.xml	Edgar Link	unprocessable
lpth-20220630_pre.xml	Edgar Link	unprocessable
lpth-20220630_cal.xml	Edgar Link	unprocessable
lpth-20220630_lab.xml	Edgar Link	unprocessable
lpth_10k_htm.xml	Edgar Link	completed
R16.htm	Edgar Link	pending
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$LPTH
LIGHTPATH TECHNOLOGIES INC Stock $lpth

2022 Q3 Form 10-K Financial Statement

#000165495422012585 Filed on September 15, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$LPTH LIGHTPATH TECHNOLOGIES INC Stock $lpth

2022 Q3 Form 10-K Financial Statement

#000165495422012585 Filed on September 15, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$LPTH
LIGHTPATH TECHNOLOGIES INC Stock $lpth