XML 47 R37.htm IDEA: XBRL DOCUMENT v3.21.2
Debt - Paycheck Protection Program Loan (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Jul. 28, 2021
Dec. 31, 2020
Apr. 10, 2020
Debt Instrument [Line Items]              
Gain on extinguishment of debt $ 2,448,000 $ 0 $ 2,448,000 $ 0      
PPP Loan              
Debt Instrument [Line Items]              
Long term debt 0   0   $ 2,417,000 $ 2,417,000 $ 2,417,000
Fixed rate             1.00%
Gain on extinguishment of debt $ 2,448,000   $ 2,448,000        
Interest accrued         $ 31,000