XML 49 R39.htm IDEA: XBRL DOCUMENT v3.22.2.2
Going Concern (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Dec. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Cash flows from operations $ 8,700  
Working capital 8,500  
Accumulated deficit $ (219,034) $ (217,843)