Post-effective amendment to a registration statement that is not immediately effective upon filing

Property & Equipment (Details)

v3.21.2
Property & Equipment (Details) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended 11 Months Ended 12 Months Ended
Dec. 31, 2020
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 15, 2020
Dec. 31, 2019
Property Plant And Equipment [Abstract]              
Depreciation expense $ 48,000 $ 387,000 $ 299,000 $ 1,042,000 $ 785,000 $ 1,025,000 $ 795,000
Leasehold improvements $ 103,000 $ 3,972,000   $ 3,972,000