XML 75 R66.htm IDEA: XBRL DOCUMENT v3.22.1
Convertible Notes - Summary of Convertible Notes (Details) - USD ($)
Dec. 31, 2021
Dec. 31, 2020
Feb. 26, 2020
Debt Instrument [Line Items]      
Unamortized debt issuance costs   $ (26,000)  
Convertible notes - current $ 0 29,079,000  
2020 Notes | Convertible Notes      
Debt Instrument [Line Items]      
Convertible notes - face value   29,990,000  
Unamortized debt issuance costs   (175,000)  
Unamortized debt discount   (753,000)  
Embedded derivative liability 0 17,000 $ 1,520,000
Convertible notes - current $ 0 $ 29,079,000