Annual report pursuant to Section 13 and 15(d)

Note 3 - Revenue Recognition (Details Textual)

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Note 3 - Revenue Recognition (Details Textual) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2022
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Dec. 31, 2021
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Revenue from Contract with Customer, Excluding Assessed Tax $ 159,806 $ 166,100 $ 187,561 $ 102,601 $ 152,945 $ 127,636 $ 157,530 $ 103,342 $ 616,068 $ 541,453 $ 480,154
Contract with Customer, Asset, after Allowance for Credit Loss, Total $ 0       $ 0       0 0  
Fleet Upfit Sales [Member]                      
Revenue from Contract with Customer, Excluding Assessed Tax                 $ 136 $ 373 $ 542