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Summary of Significant Accounting Policies (Details Narrative) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Product Information [Line Items] |  |  |
Unrestricted cash | $ 6,174,000 | $ 13,490,000 |
Portfolio value | 12,000,000 | 15,300,000 |
Other assets | $ 25,861,000 | $ 30,974,000 |
Incremental shares excluded from EPS calculation | 1,700,000 | 1,200,000 | 5,700,000
Repossessed Vehicles [Member] |  |  |
Product Information [Line Items] |  |  |
Other assets | $ 125,000 | $ 571,000 |
Unrestricted Cash [Member] |  |  |
Product Information [Line Items] |  |  |
Unrestricted cash | $ 6,200,000 |  |
TEXAS | Dealer concentration [Member] | Geographic Concentration Risk [Member] |  |  |
Product Information [Line Items] |  |  |
Concentration percentage | 7.10% | 7.80% |
ILLINOIS | Dealer concentration [Member] | Geographic Concentration Risk [Member] |  |  |
Product Information [Line Items] |  |  |
Concentration percentage | 6.90% | 5.70% |
OHIO | Dealer concentration [Member] | Geographic Concentration Risk [Member] |  |  |
Product Information [Line Items] |  |  |
Concentration percentage | 6.20% | 7.60% |
CALIFORNIA | Dealer concentration [Member] | Geographic Concentration Risk [Member] |  |  |
Product Information [Line Items] |  |  |
Concentration percentage | 6.00% | 8.20% |
FLORIDA | Dealer concentration [Member] | Geographic Concentration Risk [Member] |  |  |
Product Information [Line Items] |  |  |
Concentration percentage | 5.40% | 5.10% |
PENNSYLVANIA | Dealer concentration [Member] | Geographic Concentration Risk [Member] |  |  |
Product Information [Line Items] |  |  |
Concentration percentage | 5.00% | 4.60% |

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