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Condensed Consolidated Statements of Stockholders' Equity (Parenthetical) - $ / shares | 3 Months Ended
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Sep. 30, 2021 | Mar. 31, 2021 | Sep. 30, 2020 | Mar. 31, 2020
Condensed Consolidated Statements of Stockholders' Equity |  |  |  |
Common stock for options exercise, 1.90 per share issue | $ 1.90 | $ 1.90 | $ 1.90 |
Common stock for options exercise, 3.80 per share issue |  | 3.80 |  |
Common stock for options exercise, 1.21 per share issue | 1.21 | 1.21 |  |
Common stock for warrants exercise, price per share |  | 1.80 |  |
Common stock for options exercise, 3.10 per share issue | 3.10 |  |  |
Common stock for options exercise, 0.89 per share issue | 0.89 |  | 0.89 |
Common stock for options exercise, 1.85 per share issue | 1.85 |  |  |
Common stock for options exercise, 0.98 per share issue | 0.98 |  |  |
Common stock for options exercise, 2.93 per share issue | 2.93 |  |  |
Common stock for options exercise, 1.00 per share issue |  |  | 1.00 |
Shares issued for services - per share | $ 2.33 | $ 2.33 | 1.03 | $ 1.03
Share price of shares issued in secondary offering (in dollars per share) |  |  | $ 2.00 |

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