XML 51 R38.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Acquisition of ISP Optics Corporation (Details Narrative) - ISP Optics Corp [Member] | 9 Months Ended
--- | ---
Mar. 31, 2017 USD ($)
Pro forma - Earnings | $ 1,532,353
Acquisition expense excluded from pro forma net income | 608,000
Non-recurring fees excluded from pro forma net income | 522,000
Amortization [Member] |
Pro forma - Earnings | 659,000
Additional Interest [Member] |
Pro forma - Earnings | $ 214,000

X
- Definition Acquisition expense excluded from computing the pro forma net income. + References No definition available. + Details
Name: | lpth_AcquisitionExpenseExcludedFromProFormaNetIncome
Namespace Prefix: | lpth_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Non-recurring fees expense incurred by ISP excluded from computing the pro forma net income. + References No definition available. + Details
Name: | lpth_NonrecurringFeesExcludedFromProFormaNetIncome
Namespace Prefix: | lpth_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2)-(3) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
Name: | us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_NonrecurringAdjustmentAxis=lpth_AmortizationCostsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_NonrecurringAdjustmentAxis=lpth_AdditionalInterestCostsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |