Note 2 - Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Revenue	$ 218,014	$ 162,121	$ 570,459	$ 471,515
Contract liabilities, balance	16,511	12,919	9,232	5,063
Additions	7,709	4,819	26,658	20,232
Deductions	(11,381)	(6,669)	(23,051)	(14,226)
Contract liabilities, balance	12,839	11,069	12,839	11,069
Transferred at Point in Time [Member]
Revenue	194,365	132,885	495,907	388,187
Transferred over Time [Member]
Revenue	23,649	29,236	74,552	83,328
Work Truck Attachments [Member]
Revenue	121,489	68,097	311,730	212,668
Work Truck Attachments [Member] \| Transferred at Point in Time [Member]
Revenue	121,489	68,097	311,730	212,668
Work Truck Attachments [Member] \| Transferred over Time [Member]
Revenue	0	0	0	0
Work Truck Solutions [Member]
Revenue	96,525	94,024	258,729	258,847
Work Truck Solutions [Member] \| Transferred at Point in Time [Member]
Revenue	72,876	64,788	184,177	175,519
Work Truck Solutions [Member] \| Transferred over Time [Member]
Revenue	23,649	29,236	74,552	83,328
Independent Dealer [Member]
Revenue	152,976	99,954	411,175	311,344
Independent Dealer [Member] \| Work Truck Attachments [Member]
Revenue	121,489	68,097	311,730	212,668
Independent Dealer [Member] \| Work Truck Solutions [Member]
Revenue	31,487	31,857	99,445	98,676
Government Contract [Member]
Revenue	46,858	37,623	101,134	95,718
Government Contract [Member] \| Work Truck Attachments [Member]
Revenue	0	0	0	0
Government Contract [Member] \| Work Truck Solutions [Member]
Revenue	46,858	37,623	101,134	95,718
Fleet [Member]
Revenue	16,660	21,976	50,578	57,442
Fleet [Member] \| Work Truck Attachments [Member]
Revenue	0	0	0	0
Fleet [Member] \| Work Truck Solutions [Member]
Revenue	16,660	21,976	50,578	57,442
Product and Service, Other [Member]
Revenue	1,520	2,568	7,572	7,011
Product and Service, Other [Member] \| Work Truck Attachments [Member]
Revenue	0	0	0	0
Product and Service, Other [Member] \| Work Truck Solutions [Member]
Revenue	$ 1,520	$ 2,568	$ 7,572	$ 7,011