General form of registration statement for all companies including face-amount certificate companies

DEBT - Bank Indebtedness (Details)

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DEBT - Bank Indebtedness (Details) - USD ($)
$ in Thousands
1 Months Ended 9 Months Ended 12 Months Ended
Aug. 01, 2021
Jan. 31, 2019
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Aug. 31, 2020
Apr. 30, 2020
Debt Instrument [Line Items]                  
Face amount         $ 3,450 $ 965     $ 1,700
Proceeds from Paycheck Protection Program     $ 1,665 $ 1,211 1,211        
Interest expense         138 $ 252      
Central Bank line of credit                  
Debt Instrument [Line Items]                  
Maximum borrowing capacity   $ 1,000         $ 1,000    
Loan Facility                  
Debt Instrument [Line Items]                  
Face amount               $ 6,500  
Bearing interest rate   6.00%              
Monthly payments $ 308                
Term Loan                  
Debt Instrument [Line Items]                  
Face amount               4,000  
Proceeds from Paycheck Protection Program         2,100        
Operating line of credit                  
Debt Instrument [Line Items]                  
Face amount               $ 2,500  
Proceeds from Paycheck Protection Program         $ 2,000        
LIBOR | Central Bank line of credit                  
Debt Instrument [Line Items]                  
Spread on variable interest rate   3.50%         3.50%    
Royal Bank of Canada Prime Rate | Term Loan                  
Debt Instrument [Line Items]                  
Spread on variable interest rate         2.00%        
Royal Bank of Canada Prime Rate | Operating line of credit                  
Debt Instrument [Line Items]                  
Spread on variable interest rate         2.00%        
Promissory note                  
Debt Instrument [Line Items]                  
Face amount   $ 2,000              
Monthly payments   61,000              
Retirement of part of obligation   $ 167