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Debt (Narrative) (Details)
3 Months Ended 12 Months Ended 20 Months Ended
Nov. 30, 2020
USD ($)
Oct. 08, 2020
USD ($)
Sep. 30, 2020
USD ($)
Aug. 25, 2020
USD ($)
Jun. 22, 2016
USD ($)
Jun. 17, 2016
payment
Mar. 31, 2022
USD ($)
prepayment
Dec. 31, 2022
USD ($)
May 31, 2019
amendment
Dec. 31, 2021
USD ($)
Apr. 23, 2020
USD ($)
Debt Instrument [Line Items]                      
Number of times agreement was amended | amendment                 9    
Other long-term liabilities             $ 1,193,000     $ 1,179,000  
Debt Financing Agreement                      
Debt Instrument [Line Items]                      
Proceeds from borrowing under term loan         $ 20,000,000            
Stated interest rate, percentage           8.51%          
Number of monthly payments | payment           24          
Debt fee             1,300,000        
Long-term debt             4,700,000        
Debt issuance costs             $ 100,000        
Debt instrument effective rate             8.98%        
Debt Financing Agreement | London Interbank Offered Rate (LIBOR)                      
Debt Instrument [Line Items]                      
Basis spread on variable rate, percentage           0.44%          
PPP Loan                      
Debt Instrument [Line Items]                      
PPP loan                     $ 700,000
Tenth Amendment                      
Debt Instrument [Line Items]                      
Interest-only payment extension       7 months              
Prepayment requirement       $ 10,000,000              
Term Loan                      
Debt Instrument [Line Items]                      
Repayments of debt $ 5,000,000 $ 4,000,000 $ 1,000,000       $ 10,000,000        
Payment fee             5.50%        
Number of prepayments to lender | prepayment             3        
Additional extension for interest only payments             7 months        
Other long-term liabilities             $ 1,200,000        
Eleventh Amendment                      
Debt Instrument [Line Items]                      
Cash collateral for borrowed securities                   5,000,000  
Debt fee                   $ 300,000  
Eleventh Amendment | Forecast                      
Debt Instrument [Line Items]                      
Unrestricted net cash proceeds amount               $ 20,000,000