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v3.22.1

Net Loss Per Share (Details) - shares | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Earnings Per Share [Abstract] |  |
Stock options | 6,396,000 | 851,000
Restricted stock grants | 2,775,000 |
Warrants | 20,015,000 | 3,309,000
Convertible notes | 165,000 | 441,000
Conversion of preferred stock | 2,000 | 2,000
Total | 29,353,000 | 4,603,000

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