Stockholders' Equity - Preferred Stock (Details) - USD ($) $ / shares in Units, $ in Millions			12 Months Ended
		Jan. 16, 2020	Dec. 31, 2021	Dec. 31, 2020	Jan. 15, 2020	Mar. 29, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Preferred stock authorized (in shares)			5,000,000	5,000,000	5,000,000
Common stock, par value (in dollars per share)			$ 0.0001	$ 0.0001
Percentage of number of votes that each share of preferred stock holders are entitled to		11.07%	11.07%
Convertible Preferred Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Preferred stock authorized (in shares)			3,300,000	3,300,000	3,300,000
Preferred Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Conversion of convertible securities (in shares)			1,721,000	112,000
Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Conversion of convertible securities (in shares)	[1]		344,000	22,000
Convertible Debt
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Net proceeds from the conversion of convertible debt to preferred stock		$ 1.8
Conversion price (in dollars per share)		$ 0.67
Shares issued (in shares)		2,709,018
Preferred stock authorized (in shares)						2,000,000
Common stock, par value (in dollars per share)		$ 0.0001				$ 0.0001
Convertible Debt | Preferred Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Conversion of convertible securities (in shares)			1,721,023	111,548
Convertible Debt | Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Conversion of convertible securities (in shares)			344,205	22,310
Convertible Debt | Common Stock | Fusion Park LLC
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock issued upon preferred stock conversion (in shares)			184,851
Convertible Debt | Common Stock | Brilliant Start Enterprise, Inc.
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock issued upon preferred stock conversion (in shares)			159,354

[1]       *Shares outstanding for prior periods have been restated for the 1-for-5 reverse stock split effective June 11, 2020.