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(6) Debt (Details Narrative) - USD ($)
12 Months Ended
Jun. 30, 2022
Dec. 31, 2022
Dec. 31, 2021
May 11, 2012
Line of Credit Facility [Line Items]        
Debt issuance costs   $ 2,600,000 $ 400,000  
Line of credit outstanding facility amount   287,900,000 106,000,000.0  
2021-1 Notes [Member]        
Line of Credit Facility [Line Items]        
Proceeds from residual interest financings $ 50,000,000      
Asset-backed notes issued $ 50,000,000.0      
Residual interest financing balance   50,000,000.0    
PurchasesOfFinanceReceivablesHeldForInvestment        
Line of Credit Facility [Line Items]        
Unamortized debt issuance costs   377,000 $ 629,000  
Agent Services L P [Member]        
Line of Credit Facility [Line Items]        
Line of credit outstanding facility amount   137,600,000    
Warehouse Credit Facility [Member] | Citibank [Member]        
Line of Credit Facility [Line Items]        
Credit line maximum       $ 100,000,000
Long-term Line of Credit   $ 150,300,000