Stockholders' Equity - Restricted common stock activity (Details) - USD ($) |
6 Months Ended | 12 Months Ended |
|---|---|---|
Dec. 31, 2019 |
Jun. 30, 2019 |
|
| Non-vested, Ending balance | 1,885,000 | |
| Restricted Stock [Member] | ||
| Non-vested, Beginning balance | 311,535 | |
| Granted Number of shares | 83,978 | |
| Vested, Number of shares | (141,136) | |
| Forfeited, Number of shares | 0 | (188,203) |
| Non-vested, Ending balance | 254,377 | 311,535 |
| Non-vested, Beginning balance | $ 412,383 | |
| Granted, Fair Value | 236,251 | |
| Vested, Fair Value | (170,114) | |
| Forfeited, Fair Value | 0 | $ 214,324 |
| Non-vested, Ending balance | $ 478,520 | $ 412,383 |
| Non-vested, Beginning Balance Weighted Average Grant Date Fair Value | $ 1.66 | |
| Granted Weighted Average Grant Date Fair Value | 2.81 | |
| Vested Weighted Average Grant Date Fair Value | 1.59 | |
| Forfeited Weighted Average Grant Date Fair Value | 0.00 | |
| Non-vested, Ending Balance Weighted Average Grant Date Fair Value | $ 2.08 | $ 1.66 |