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Note 3 - Credit Losses (Details Textual) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021 | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | --- | --- | ---
Accounts Receivable, Allowance for Credit Loss, Ending Balance | $ 2,922 | $ 2,970 | $ 3,231 | $ 2,929
Work Truck Attachments [Member] |  |  |  |
Accounts Receivable, Allowance for Credit Loss, Ending Balance | 1,634 | 1,430 | 1,682 | 1,480
Work Truck Solutions [Member] |  |  |  |
Accounts Receivable, Allowance for Credit Loss, Ending Balance | $ 1,288 | $ 1,540 | $ 1,549 | $ 1,449

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