Quarterly report pursuant to Section 13 or 15(d)

Leases - Additional Information (Details)

v3.20.1
Leases - Additional Information (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2020
USD ($)
Lease
Mar. 31, 2019
USD ($)
Operating Leased Assets [Line Items]    
Number of leases | Lease 2  
Operating lease, discount rate 7.00%  
Operating lease, weighted average remaining lease term 8 years  
Operating lease expense $ 100 $ 100
Operating lease , cash payment 100 100
Operating lease right-of-use-assets amortization $ 85 $ 81
Office Building [Member]    
Operating Leased Assets [Line Items]    
Lease expiration period 2027  
Manufacturing Facility [Member]    
Operating Leased Assets [Line Items]    
Lease expiration period 2021