XML 46 R36.htm IDEA: XBRL DOCUMENT
v3.23.3

Inventories (Details Narrative) - USD ($) | Sep. 30, 2023 | Jun. 30, 2023
--- | --- | ---
Raw materials | $ 3,125,473 | $ 2,999,879
Inventory - Tooling |  |
Raw materials | $ 140,000 | $ 150,000

X
- Definition Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(6)(a)(4)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_InventoryRawMaterials
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_PublicUtilitiesInventoryAxis=lpth_ToolingRawMaterialsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |