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Common Stock - Common stock warrant (Details) - USD ($) | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jun. 30, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2021
Common Stock. |  |  |  |
Warrants issued for common shares |  |  | 308,308 |
Warrant exercise price |  |  | $ 3.01 |
Warrants in lieu of cash payment |  |  | 200,984 |
Term of warrant |  |  | 10 years |
Warrant exercised | 308,308 | 0 |  |
Warrants outstanding |  |  |  | $ 0

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- Definition Number of warrants issued to board of director's in lieu of cash payments. + References No definition available. + Details
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