(6) Debt (Details Narrative) - USD ($)	Jun. 30, 2021	May 16, 2018	Dec. 31, 2021	May 16, 2021	Dec. 31, 2020	Nov. 24, 2015	Apr. 17, 2015	May 11, 2012
Line of Credit Facility [Line Items]
Debt issuance costs			$ 400,000		$ 1,500,000
Warehouse lines of credit amount outstanding			105,610,000		118,999,000
2018-1 Notes [Member]
Line of Credit Facility [Line Items]
Proceeds from residual interest financings		$ 40,000,000
Asset-backed notes issued				$ 40,000,000
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
PurchasesOfFinanceReceivablesHeldForInvestment
Line of Credit Facility [Line Items]
Unamortized debt issuance costs			629,000		150,000
Line of Credit [Member]
Line of Credit Facility [Line Items]
Warehouse lines of credit amount outstanding			106,000,000		$ 120,500,000
Warehouse Credit Facility [Member] | Citibank [Member]
Line of Credit Facility [Line Items]
Credit line maximum								$ 100,000,000
Long-term Line of Credit			70,600,000
Warehouse Credit Facility [Member] | Fortress Investment Group [Member]
Line of Credit Facility [Line Items]
Credit line maximum							$ 100,000,000
Warehouse Credit Facility [Member] | Credit Suisse AG and Ares Agent Services [Member]
Line of Credit Facility [Line Items]
Credit line maximum						$ 100,000,000
Long-term Line of Credit			$ 35,400,000