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Note 11 - Warranty Liability (Details Textual) - USD ($) $ in Thousands | 6 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 30, 2023 | Mar. 31, 2023 | Dec. 31, 2022 | Jun. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2021
Standard Product Warranty Period of Warranty History Used in Estimating Warranty Costs (Year) | 5 years |  |  |  |  |
Standard Product Warranty Accrual | $ 7,844 | $ 6,817 | $ 7,876 | $ 6,518 | $ 5,451 | $ 6,368
Standard Product Warranty Accrual, Noncurrent | 3,188 |  | 3,318 |  |  |
Standard Product Warranty Accrual, Current | $ 4,656 |  | $ 4,558 |  |  |
Snow And Ice Control Equipment [Member] | Maximum [Member] |  |  |  |  |  |
Standard Product Warranty Period (Year) | 2 years |  |  |  |  |
Parts And Accessories [Member] |  |  |  |  |  |
Standard Product Warranty Period (Year) | 1 year |  |  |  |  |
Certain Snowplows [Member] |  |  |  |  |  |
Standard Product Warranty Period (Year) | 1 year |  |  |  |  |

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- Definition Amount as of the balance sheet date of the aggregate standard product warranty liability. Does not include the balance for the extended product warranty liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482425/460-10-50-8 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (c)(5) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482425/460-10-50-8 + Details
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