The minimum value of EBITDA that, if not exceeded, will automatically convert the deb instrument.

No definition available.

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Namespace Prefix:	lpth_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The price per share of the conversion feature embedded in the debt instrument.

+ References

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Balance Type:	na
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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- Definition

Period between issuance and maturity of debt instrument, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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- Definition

Amount of cash outflow for short-term and long-term debt. Excludes payment of lease obligation.

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- Details

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- Details

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- Details

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Period Type:

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Note 14 - Loans Payable (Details Textual) $ / shares in Units, $ in Millions			1 Months Ended				3 Months Ended
	Dec. 31, 2025	Feb. 18, 2025 USD ($) $ / shares	May 31, 2023 USD ($)	May 31, 2023 EUR (€)	Sep. 30, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2025 USD ($)	Sep. 30, 2026	Jun. 30, 2026	May 31, 2023 EUR (€)	Sep. 30, 2021 EUR (€)	Dec. 31, 2020 EUR (€)
Acquisition Notes [Member]
Debt Instrument, Face Amount		$ 5.2
Debt Instrument, Interest Rate, Stated Percentage									12.00%
Debt Instrument, Redemption Price, Percentage	102.00%
Gain (Loss) on Extinguishment of Debt							$ (0.5)
Debt Instrument, Covenant, Minimum EBITDA		$ 4.9
Debt Instrument, Convertible, Conversion Price (in dollars per share) \| $ / shares		$ 1,000
Debt Instrument, Maturity Date		Feb. 18, 2025
Acquisition Notes [Member] \| Minimum [Member]
Debt Instrument, Interest Rate, Stated Percentage		10.00%
Acquisition Notes [Member] \| Maximum [Member]
Debt Instrument, Interest Rate, Stated Percentage		12.00%
2020 Equipment Loan [Member]
Debt Instrument, Face Amount					$ 0.3	$ 0.3					€ 225,000	€ 225,000
Debt Instrument, Term (Month)					52 months	60 months
2023 Equipment Loan [Member]
Debt Instrument, Face Amount			$ 0.3							€ 260,258
Debt Instrument, Interest Rate, Stated Percentage			2.84%					4.94%		2.84%
Debt Instrument, Term (Month)			48 months	48 months
Repayments of Debt			$ 0.1	€ 132,674