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Supplemental Financial Information (Details - Non-cash acquisition) - USD ($) $ in Thousands | 6 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |
Accrued property and equipment paid for in the subsequent period | $ 35 | $ 155
Fair value of warrants to purchase common stock issued with bank credit facility | 500 |
Fair value of earnout consideration from TNI acquisition at the Closing Date | $ 393 | $ 0

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