Stockholders' Equity - Common stock reserved for future issuance (Details) shares in Thousands  | 
 Dec. 31, 2021  
shares 
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| Schedule of common stock reserved for future issuance | |
| Common Stock, Capital Shares Reserved for Future Issuance | 5,844 | 
| Warrant | |
| Schedule of common stock reserved for future issuance | |
| Common Stock, Capital Shares Reserved for Future Issuance | 5,162 | 
| Employee Stock Option | |
| Schedule of common stock reserved for future issuance | |
| Common Stock, Capital Shares Reserved for Future Issuance | 682 | 
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- References No definition available. 
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- Definition Aggregate number of common shares reserved for future issuance. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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