XML 78 R65.htm IDEA: XBRL DOCUMENT
v3.26.1

Note 11 - Stock-based Compensation - Unrecognized Compensation Cost (Details) | Mar. 31, 2026 USD ($)
--- | ---
June 30, 2026 (remaining three months) | $ 2,372,531
June 30, 2027 | 8,402,197
June 30, 2028 | 7,356,076
June 30, 2029 | 4,982,028
June 30, 2030 | 515,354
June 30, 2031 | 371,337
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount | 23,999,523
Share-Based Payment Arrangement, Option [Member] |
June 30, 2026 (remaining three months) | 1,351,347
June 30, 2027 | 5,419,964
June 30, 2028 | 5,399,788
June 30, 2029 | 3,706,822
June 30, 2030 | 515,354
June 30, 2031 | 371,337
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount | 16,764,612
Restricted Stock [Member] |
June 30, 2026 (remaining three months) | 139,224
June 30, 2027 | 362,619
June 30, 2028 | 62,582
June 30, 2029 | 0
June 30, 2030 | 0
June 30, 2031 | 0
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount | 564,425
Restricted Stock Units (RSUs) [Member] |
June 30, 2026 (remaining three months) | 881,960
June 30, 2027 | 2,619,614
June 30, 2028 | 1,893,706
June 30, 2029 | 1,275,206
June 30, 2030 | 0
June 30, 2031 | 0
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount | $ 6,670,486

X
- Definition Amount of cost not yet recognized for nonvested award under share-based payment arrangement in the remainder of the fiscal year. + References No definition available. + Details
Name: | lpth_SharebasedPaymentArrangementNonvestedAwardCostNotYetRecognizedRemainingFiscalYear
Namespace Prefix: | lpth_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of cost not yet recognized for nonvested award under share-based payment arrangement, expected to be recognized in year five. + References No definition available. + Details
Name: | lpth_SharebasedPaymentArrangementNonvestedAwardCostNotYetRecognizedYearFive
Namespace Prefix: | lpth_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of cost not yet recognized for nonvested award under share-based payment arrangement expected to be recognized in year four. + References No definition available. + Details
Name: | lpth_SharebasedPaymentArrangementNonvestedAwardCostNotYetRecognizedYearFour
Namespace Prefix: | lpth_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of cost not yet recognized for nonvested award under share-based payment arrangement in the next fiscal year. + References No definition available. + Details
Name: | lpth_SharebasedPaymentArrangementNonvestedAwardCostNotYetRecognizedYearOne
Namespace Prefix: | lpth_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of cost not yet recognized for nonvested award under share-based payment arrangement in the third fiscal year. + References No definition available. + Details
Name: | lpth_SharebasedPaymentArrangementNonvestedAwardCostNotYetRecognizedYearThree
Namespace Prefix: | lpth_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of cost not yet recognized for nonvested award under share-based payment arrangement in the second fiscal year. + References No definition available. + Details
Name: | lpth_SharebasedPaymentArrangementNonvestedAwardCostNotYetRecognizedYearTwo
Namespace Prefix: | lpth_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of cost not yet recognized for nonvested award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_RestrictedStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_RestrictedStockUnitsRSUMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |