Quarterly report pursuant to Section 13 or 15(d)

Leases - Additional Information (Details)

v3.21.2
Leases - Additional Information (Details)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2021
USD ($)
Sep. 30, 2020
USD ($)
Sep. 30, 2021
USD ($)
Lease
Sep. 30, 2020
USD ($)
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 6 years 3 months 18 days   6 years 3 months 18 days  
Operating lease expense $ 0.1 $ 0.1 $ 0.4 $ 0.4
Operating lease , cash payment 0.1 0.1 0.4 0.4
Amortization for operating lease right-of-use-assets $ 0.1 $ 0.1 $ 0.3 $ 0.3
Office Building [Member]        
Operating Leased Assets [Line Items]        
Lease expiration period     2027  
Manufacturing Facility [Member]        
Operating Leased Assets [Line Items]        
Lease expiration period month and year     2021-12