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1. Summary of Significant Accounting Policies (Details Narrative) shares in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 USD ($) shares | Dec. 31, 2018 USD ($) shares | Dec. 31, 2017 shares
Unrestricted cash balance | $ 5,295 | $ 12,787 |
Other assets | $ 39,852 | $ 26,801 |
Incremental shares excluded from EPS calculation | shares | 11,300 | 10,300 | 7,500
CPS Leasing, Inc. [Member] |  |  |
Ownership percentage in subsidiary | 0.80 |  |
Repossessed Vehicles [Member] |  |  |
Other assets | $ 7,500 | $ 8,900 |
Dealer concentration [Member] | Geographic Concentration [Member] | CALIFORNIA |  |  |
Concentration percentage | 12.60% | 8.70% |
Dealer concentration [Member] | Geographic Concentration [Member] | OHIO |  |  |
Concentration percentage | 10.80% | 8.80% |
Dealer concentration [Member] | Geographic Concentration [Member] | INDIANA |  |  |
Concentration percentage | 6.30% | 5.20% |
Dealer concentration [Member] | Geographic Concentration [Member] | NORTH CAROLINA |  |  |
Concentration percentage | 5.40% | 6.20% |
Dealer concentration [Member] | Geographic Concentration [Member] | FLORIDA |  |  |
Concentration percentage | 4.90% | 6.00% |

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