Note 2 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Financing Receivable, Allowance for Credit Loss [Table Text Block]

	Balance at		Additions (reductions)									Balance at
	December 31,		charged to						Changes to			December 31,
	2021		earnings			Writeoffs			reserve, net			2022
Year Ended December 31, 2022
Work Truck Attachments	$	1,430	$	(432	)	$	-		$	2		$	1,000
Work Truck Solutions		1,540		(1,044	)		(109	)		(21	)		366
Total	$	2,970	$	(1,476	)	$	(109	)	$	(19	)	$	1,366

	Balance at		Additions (reductions)									Balance at
	December 31,		charged to						Changes to			December 31,
	2020		earnings			Writeoffs			reserve, net			2021
Year Ended December 31, 2021
Work Truck Attachments	$	1,480	$	(60	)	$	-		$	10		$	1,430
Work Truck Solutions		1,449		127			(10	)		(26	)		1,540
Total	$	2,929	$	67		$	(10	)	$	(16	)	$	2,970

Property, Plant and Equipment [Table Text Block]

	Years
Land improvements and buildings	15 - 40
Leasehold improvements	12
Machinery and equipment	3 - 20
Furniture and fixtures	3 - 12
Mobile equipment and other	3 - 10

Schedule of Changes In Deferred Financing Costs [Table Text Block]

Balance at December 31, 2019	$	1,563
Deferred financing costs capitalized on new debt		1,133
Write-off of unamortized deferred financing costs		(197	)
Amortization of deferred financing costs		(763	)
Balance at December 31, 2020		1,736
Deferred financing costs capitalized on new debt		1,409
Write-off of unamortized deferred financing costs		(972	)
Amortization of deferred financing costs		(493	)
Balance at December 31, 2021		1,680
Amortization of deferred financing costs		(379	)
Balance at December 31, 2022	$	1,301

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

	Fair Value at December 31, 2022		Fair Value at December 31, 2021
Assets:
Non-qualified benefit plan assets (a)	$	8,874	$	10,347
Interest rate swaps (b)		7,039		-
Total Assets	$	15,913	$	10,347
Liabilities:
Interest rate swaps (b)		-		6,428
Long term debt (c)		207,737		218,875
Total Liabilities	$	207,737	$	225,303