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Stockholders' Equity - Common Stock Reserved for Future Issuance (Details) | 12 Months Ended
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Dec. 31, 2020 shares
Class of Stock [Line Items] |
Common Stock Reserved for Future Issuance | 18,838,442
Common stock issued upon conversion of notes | 4,810,002
Stock Options [Member] |
Class of Stock [Line Items] |
Common Stock Reserved for Future Issuance | 7,554,305
Warrants [Member] |
Class of Stock [Line Items] |
Common stock issued upon conversion of notes | 18,800,000
Class C convertible preferred stock |
Class of Stock [Line Items] |
Common Stock Reserved for Future Issuance | 6,474,135

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