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Stockholders' Equity - Preferred Stock (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Apr. 01, 2021
Jan. 16, 2020
Dec. 31, 2020
Mar. 31, 2021
Jun. 11, 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 2,000,000
Common stock, par value (in usd per share)     $ 0.0001 $ 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  
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 (in dollars per share)   $ 0.67          
Conversion of notes to stock (in shares)   2,709,018          
Common stock, par value (in usd per share)   $ 0.0001         $ 0.0001
Convertible Debt | Preferred Stock              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Preferred stock converted to common stock (in shares)     111,548        
Convertible Debt | Preferred Stock | Subsequent Event              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Preferred stock converted to common stock (in shares) 1,721,023            
Convertible Debt | Common Stock              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Common stock issued upon preferred stock conversion (in shares)     22,310        
Convertible Debt | Common Stock | Subsequent Event              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Common stock issued upon preferred stock conversion (in shares) 344,205