v3.22.2.2
Stockholders' Equity (Share Activity) (Details) - shares
 3 Months Ended
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Activity of Shares [Roll Forward]            
Beginning balance, common stock shares (in shares)     14,597,118      
Ending balance, common stock shares (in shares) 16,840,261          
Class A-1 Convertible Preferred Stock | 2019 SPA and 2020 SPA            
Activity of Shares [Roll Forward]            
Beginning balance, preferred stock shares (in shares) 257,000 257,000 257,000 257,000 257,000 257,000
Conversions of convertible preferred stock (in shares) 0 0 0 0 0 0
Ending balance, preferred stock shares (in shares) 257,000 257,000 257,000 257,000 257,000 257,000
Class A-2 Convertible Preferred Stock | 2019 SPA and 2020 SPA            
Activity of Shares [Roll Forward]            
Beginning balance, preferred stock shares (in shares) 1,331,000 1,331,000 1,331,000 1,331,000 1,338,000 1,416,000
Conversions of convertible preferred stock (in shares) 0 0 0 0 (7,000) (78,000)
Ending balance, preferred stock shares (in shares) 1,331,000 1,331,000 1,331,000 1,331,000 1,331,000 1,338,000
Class A-3 Convertible Preferred Stock | 2019 SPA and 2020 SPA            
Activity of Shares [Roll Forward]            
Beginning balance, preferred stock shares (in shares) 259,000 259,000 259,000 259,000 259,000 259,000
Conversions of convertible preferred stock (in shares) 0 0 0 0 0 0
Ending balance, preferred stock shares (in shares) 259,000 259,000 259,000 259,000 259,000 259,000
Class A-4 Convertible Preferred Stock            
Activity of Shares [Roll Forward]            
Beginning balance, preferred stock shares (in shares)     3,725,720      
Ending balance, preferred stock shares (in shares) 3,725,720          
Class A-4 Convertible Preferred Stock | 2019 SPA and 2020 SPA            
Activity of Shares [Roll Forward]            
Beginning balance, preferred stock shares (in shares) 3,726,000 3,726,000 3,726,000 0 0 0
Conversions of convertible preferred stock (in shares) 0 0 0 0 0 0
Ending balance, preferred stock shares (in shares) 3,726,000 3,726,000 3,726,000 0 0 0
Common Stock Warrants | 2019 SPA and 2020 SPA            
Activity of Shares [Roll Forward]            
Warrants outstanding (in shares) 6,187,000 6,187,000 6,187,000 6,187,000 6,212,000 6,604,000
Conversions of convertible preferred stock (in shares) 0 0 0 0 (25,000) (392,000)
Warrants outstanding (in shares) 6,187,000 6,187,000 6,187,000 6,187,000 6,187,000 6,212,000
Common stock | 2019 SPA and 2020 SPA            
Activity of Shares [Roll Forward]            
Beginning balance, common stock shares (in shares)
Conversions of convertible preferred stock (in shares) 0 0 0 0 32,000 320,000
Ending balance, common stock shares (in shares)