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Subsequent Events (Details Narrative) - USD ($) |  |  | 12 Months Ended |
--- | --- | --- | --- | ---
Sep. 22, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | Aug. 31, 2020
Number of common stock shares sold |  | 275,000 |  |  |
Warrants expire term |  |  |  |  | 5 years
Proceeds from issuance of common stock |  |  | $ 22,855,000 | $ 1,369,000 |
Subsequent Event [Member] | H.C. Wainwright & Co., LLC [Member] |  |  |  |  |
Percentage of cash fee | 6.00% |  |  |  |
Proceeds from issuance of common stock | $ 14,000,000 |  |  |  |
Subsequent Event [Member] | Securities Purchase Agreement [Member] | Accredited Investors [Member] |  |  |  |  |
Number of common stock shares sold | 2,142,860 |  |  |  |
Number of warrants to purchase common stock | 1,071,430 |  |  |  |
Warrants exercise price | $ 7.00 |  |  |  |
Proceeds from warrants | $ 15,000,000 |  |  |  |
Warrants expire term | 5 years |  |  |  |

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