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Stockholders' Equity - Summary of Preferred Stock (Details) - USD ($)	Dec. 31, 2021	Dec. 31, 2020	Jun. 15, 2020
Class of Stock [Line Items]
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	20,000,000	20,000,000
Series A Convertible Preferred Stock
Class of Stock [Line Items]
Preferred stock, par value (in dollars per share)	$ 0.001
Preferred stock, shares authorized (in shares)	277,100
Series A Convertible Preferred Stock, liquidation preference	$ 606,000
Preferred stock, shares outstanding (in shares)	60,600	60,600
Series B Convertible Preferred Stock
Class of Stock [Line Items]
Preferred stock, par value (in dollars per share)	$ 0.001
Preferred stock, shares authorized (in shares)	8,860
Preferred stock, shares outstanding (in shares)	0	0
Series C Convertible Preferred Stock
Class of Stock [Line Items]
Preferred stock, par value (in dollars per share)	$ 0.001
Preferred stock, shares authorized (in shares)	200,000
Preferred stock, shares outstanding (in shares)	0	0
Series D Convertible Preferred Stock
Class of Stock [Line Items]
Preferred stock, par value (in dollars per share)	$ 0.0001
Preferred stock, shares authorized (in shares)	154,670
Preferred stock, shares outstanding (in shares)	0	0
Series E Convertible Preferred Stock
Class of Stock [Line Items]
Preferred stock, par value (in dollars per share)	$ 0.001		$ 10
Preferred stock, shares authorized (in shares)	865,824
Preferred stock, shares outstanding (in shares)	655,044	655,044

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Value of the difference between preference in liquidation and the par or stated values of the preferred shares.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(d))
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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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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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