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Other Related Party Transactions (Details Narrative) (10-K) - USD ($) | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Mar. 31, 2020 | Mar. 31, 2020 | Jun. 30, 2019 | Jun. 30, 2018
Sublease agreement description |  |  | Pursuant to this agreement, Epic Boats paid Flux Power 10% of facility costs through the end of our lease agreement which was June 30, 2019. |
Sublease rental |  |  |  |
Other Income |  |  | $ 84,000 |
Customer deposits from related party |  |  |  | 102,000
Sublease Rental Agreement [Member] |  |  |  |
Sublease rental |  |  | $ 18,000 | $ 18,000

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- Definition Amount of sublease income excluding finance and operating lease expense. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=121568110&loc=SL77918982-209971 + Details
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