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Stockholders' Equity (Details) - USD ($) | 12 Months Ended
--- | ---
Jun. 30, 2020 | Jun. 30, 2019
Shares Issuable Under Warrants |  |
Beginning balance, outstanding | 6,183,115 | 5,993,750
Issued |  | 189,365
Exercised | (369,311) |
Expired/canceled |  |
Ending balance, outstanding | 5,813,804 | 6,183,115
Weighted-average Exercise Price |  |
Beginning balance, outstanding | $ 11.50 | $ 11.50
Issued |  | 11.50
Exercised |  |
Expired/canceled |  |
Ending balance, outstanding | $ 11.50 | $ 11.50
Weighted Average Remaining Life |  |
Beginning balance, outstanding | 4 years 11 months 19 days |
Ending balance, outstanding | 3 years 11 months 19 days | 4 years 11 months 19 days
Aggregate Intrinsic Value |  |
Ending balance, outstanding | $ 2,473,000 |

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