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Fair Value Considerations (Details 2) - Warrant Derivative Liability - USD ($)
12 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Warrant derivative liability, beginning balance $ 13,000 $ 94,000
Change in fair value included in earnings (2,000) (81,000)
Warrant derivative liability, ending balance $ 11,000 $ 13,000