Quarterly report pursuant to Section 13 or 15(d)

Organization (Details)

v3.21.1
Organization (Details)
$ in Thousands
3 Months Ended
Mar. 24, 2020
Mar. 31, 2021
USD ($)
Mar. 31, 2020
USD ($)
Dec. 31, 2020
USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]        
Accumulated deficit   $ 202,773   $ 199,103
Cash used in operations   2,000 $ 1,722  
Cash   49,539   $ 12,862
Debt covenant, unrestricted cash   2,000    
Unrestricted cash   $ 47,539    
Reverse stock split 0.06667