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v3.25.2

Contingencies (Details Narrative) $ in Millions | 1 Months Ended
--- | ---
Dec. 31, 2023 USD ($)
Commitments and Contingencies - Note 15 |
Related expenses | $ 0.2

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Namespace Prefix: | lpth_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration