Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies (Details)

v3.22.1
Commitments and Contingencies (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Commitments and Contingencies.    
Rent expense $ 0.2 $ 0.3
Minimum annual manufacturing fee $ 1.0