Quarterly report pursuant to Section 13 or 15(d)

Paycheck Protection Program Promissory Note - Additional Information (Details)

v3.21.2
Paycheck Protection Program Promissory Note - Additional Information (Details) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended
May 31, 2020
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Gain on extinguishment of promissory note       $ 2,023,000  
Promissory Note | Corona Virus Aid Relief Economic Security Act          
Paycheck protection program, amount $ 2,000,000.0        
Interest rate 1.00%        
Payments due, beginning date Nov. 01, 2020        
Payments due, ending date 2022-05        
Gain on extinguishment of promissory note       2,000,000.0  
Interest expense   $ 0 $ 5,000 $ 10,000 $ 8,000
Debt instrument, description       payments would have been due beginning August 2021, and the principal amount, along with unpaid interest, would have been due in May 2022. The principal and interest could be forgiven if the proceeds were used for forgivable purposes as defined by the terms in the PPP Promissory Note.