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(3) Finance Receivables (Details - Amortized Cost Basis) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
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Finance Receivables |  |
2012 and prior | $ 131 | $ 608
2013 | 1,091 | 4,483
2014 | 6,881 | 23,115
2015 | 29,695 | 78,457
2016 | 76,728 | 163,677
2017 | 117,864 | 220,967
Total amortized cost basis | $ 232,390 | $ 491,307

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