Quarterly report pursuant to Section 13 or 15(d)

Leases - Additional Information (Details)

v3.20.2
Leases - Additional Information (Details)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
USD ($)
Lease
Sep. 30, 2019
USD ($)
Sep. 30, 2020
USD ($)
Sep. 30, 2019
USD ($)
Operating Leased Assets [Line Items]        
Number of leases | Lease 2      
Operating lease, discount rate 7.00%   7.00%  
Operating lease, weighted average remaining lease term 7 years 3 months   7 years 3 months  
Operating lease expense $ 100 $ 100 $ 400 $ 400
Operating lease , cash payment 100 100 400 300
Operating lease right-of-use-assets amortization $ 100 $ 100 $ 261 $ 245
Office Building [Member]        
Operating Leased Assets [Line Items]        
Lease expiration period 2027      
Manufacturing Facility [Member]        
Operating Leased Assets [Line Items]        
Lease expiration period 2021