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Stockholders' Equity - Preferred Stock (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 12 Months Ended
Jan. 16, 2020
Jun. 30, 2021
Dec. 31, 2021
Dec. 31, 2020
Jun. 30, 2022
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 (USD per share)     $ 0.0001   $ 0.0001    
Votes equal to the number of shares of common stock convertible 11.07%            
Series A 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]              
Issuance of common stock upon conversion from preferred stock (in shares)   (1,721,000)          
Common Stock              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Issuance of common stock (in shares)   990,000          
Issuance of common stock upon conversion from preferred stock (in shares)   344,000          
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 rate (USD per share) $ 0.67            
Issuance of common stock (in shares) 2,709,018            
Preferred stock, authorized (in shares)             2,000,000
Common stock, par value (USD per share)             $ 0.0001
Convertible Debt | Preferred Stock              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Issuance of common stock upon conversion from preferred stock (in shares)     1,721,023 111,548      
Convertible Debt | Common Stock              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Issuance of common stock upon conversion from preferred stock (in shares)     344,205 22,310      
Convertible Debt | Common Stock | Fusion Park              
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              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Common stock issued upon preferred stock conversion (in shares)     159,354