Quarterly report pursuant to Section 13 or 15(d)

Organization (Details)

v3.21.2
Organization (Details)
$ in Thousands
6 Months Ended
Mar. 24, 2020
Jun. 30, 2021
USD ($)
Jun. 30, 2020
USD ($)
Dec. 31, 2020
USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]        
Reverse stock split 0.06667      
Accumulated deficit   $ 204,046   $ 199,103
Cash used in operations   5,606 $ 5,745  
Cash   45,938   $ 12,862
Debt covenant, unrestricted cash   2,000    
Unrestricted cash   $ 43,938