Stockholders' Equity and Derivative Liability - Warrants - Series A Convertible Preferred Stock (Details) - Series A - shares	Mar. 31, 2022	Dec. 31, 2021	Oct. 14, 2014
Class of Stock [Line Items]
Convertible preferred stock, shares authorized (in shares)			1,250,000
Convertible preferred stock, shares outstanding (in shares)	85,581	85,581
Stock issued as a result of conversion (in shares)	0	0

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Number of shares issued for each share of convertible preferred stock that is converted.

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The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

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Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

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