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Note 11 - Warranty Liability (Details Textual) - USD ($) $ in Thousands | 3 Months Ended |  |  |
--- | --- | --- | --- | ---
Mar. 31, 2023 | Dec. 31, 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 | $ 6,817 | $ 7,876 | $ 5,451 | $ 6,368
Standard Product Warranty Accrual, Noncurrent | 2,727 | 3,318 |  |
Standard Product Warranty Accrual, Current | $ 4,090 | $ 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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- Definition Amount as of the balance sheet date of the aggregate standard product warranty liability that is expected to be paid after one year or beyond the normal operating cycle, if longer. 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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