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Note 6 - Valuation Accounts (Tables) | 12 Months Ended
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Dec. 31, 2021
Notes Tables |
Summary of Valuation Allowance [Table Text Block] |
|  | Balance Beginning of Year |  |  | Net Charge to Costs and Expenses |  |  | Net Write- Offs |  |  | Balance End of Year |
2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reserve for parts inventory |  | $ | 9,315 |  |  | $ | 3,520 |  |  | $ | (5,375 | ) |  | $ | 7,460 |
Reserve for commercial vehicle inventory |  |  | 6,075 |  |  |  | (536 | ) |  |  | (4,620 | ) |  |  | 919 |
2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reserve for parts inventory |  | $ | 7,661 |  |  | $ | 4,501 |  |  | $ | (2,847 | ) |  | $ | 9,315 |
Reserve for commercial vehicle inventory |  |  | 9,602 |  |  |  | 9,598 |  |  |  | (13,125 | ) |  |  | 6,075 |
2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reserve for accounts receivable |  | $ | 987 |  |  | $ | 2,065 |  |  | $ | (2,038 | ) |  | $ | 1,014 |
Reserve for warranty receivables |  |  | 429 |  |  |  | 1,661 |  |  |  | (1,680 | ) |  |  | 410 |
Reserve for parts inventory |  |  | 7,050 |  |  |  | 4,460 |  |  |  | (3,849 | ) |  |  | 7,661 |
Reserve for commercial vehicle inventory |  |  | 4,587 |  |  |  | 12,489 |  |  |  | (7,474 | ) |  |  | 9,602 |
Financing Receivable, Allowance for Credit Loss [Table Text Block] |
|  | Balance December 31, 2020 |  |  | Provision for the Year Ended December 31, 2021 |  |  | Write offs Against Allowance, net of Recoveries |  |  | Balance December 31, 2021 |
Commercial vehicle receivables |  | $ | 172 |  |  | $ | (96 | ) |  | $ | − |  |  | $ | 76 |
Manufacturers’ receivables |  |  | 136 |  |  |  | 1,158 |  |  |  | (875 | ) |  |  | 419 |
Leasing, parts and service receivables |  |  | 1,278 |  |  |  | 1,335 |  |  |  | (1,544 | ) |  |  | 1,069 |
Other receivables |  |  | 19 |  |  |  | 7 |  |  |  | − |  |  |  | 26 |
Total |  | $ | 1,605 |  |  | $ | 2,404 |  |  | $ | (2,419 | ) |  | $ | 1,590 |

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