Note 1 - Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]

	Year ended December 31,
	2021		2020		2019
Non-cash transactions:
Accruals for capital expenditures	$	357	$	231	$	592
Cash paid for interest and income taxes:
Interest (1)	$	287	$	298	$	248
Income taxes, net of refunds received	$	377	$	220	$	474

Property Plant and Equipment, Estimated Useful Lives [Table Text Block]

Asset type	Range of useful life (in years)
Computer hardware and software	3 to 7
Manufacturing equipment	2 to 15
Furniture and fixtures	5 to 10
Transportation equipment	3 to 20