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Stockholders' Equity - Common Stock Reserved for Future Issuance (Details)	12 Months Ended
	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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Aggregate number of common shares reserved for future issuance.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
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