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Commitments and Contingencies (Details 2) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Commitments and Contingencies          
Accretion of the lease liability $ 93 $ 101 $ 288 $ 160  
Amortization of right-of-use assets $ 111 $ 100 $ 324 $ 402  
Weighted Average Remaining Lease Term          
Operating leases     6 years 4 months 24 days    
Finance leases     2 years 7 months 6 days    
Weighted Average Discount Rate          
Operating leases 14.00%   14.00%    
Finance leases 5.90%   5.90%    
Operating Leases          
Operating lease right-of-use assets $ 2,572   $ 2,572   $ 2,889
Current portion of operating lease liability 286   286   316
Long term operating lease liability 2,381   2,381   2,578
Total operating lease liabilities 2,667   2,667   2,894
Finance Leases          
Property and equipment, at cost 2,317   2,317   2,308
Accumulated depreciation (313)   (313)   (249)
Property and equipment, net 2,004   2,004   2,059
Other current liability 541   541   417
Long term other liability 840   840   1,164
Total finance lease liabilities $ 1,381   $ 1,381   $ 1,581