Annual report pursuant to Section 13 and 15(d)

Borrowings - Payroll Protection Program Note Agreement (Details)

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Borrowings - Payroll Protection Program Note Agreement (Details) - USD ($)
12 Months Ended
Dec. 31, 2021
May 03, 2020
Borrowings    
Gain on extinguishment of debt $ 859,000  
Payroll Protection Program Note Agreement    
Borrowings    
Principal amount of debt   $ 847,000
Debt instrument, interest rate stated percentage   1.00%