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v3.22.1

Common and Preferred Stock (Details) - USD ($) | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Class of Stock [Line Items] |  |
Common stock authorized (shares) | 200,000,000 |
Common stock available for issuance (shares) | 4,192,000 | 3,325,000
Preferred stock authorized (shares) | 5,000,000 |
Preferred stock issued (shares) | 0 | 0
Preferred stock outstanding (shares) | 0 | 0
Dividends declared | $ 0 |
Options issued and outstanding |  |
Class of Stock [Line Items] |  |
Common stock available for issuance (shares) | 4,133,000 | 3,266,000
Warrants issued and outstanding |  |
Class of Stock [Line Items] |  |
Common stock available for issuance (shares) | 59,000 | 59,000

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