Note 1 - Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2024

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	March 31,			December 31,
	2024			2023
Raw materials	$	22,143		$	20,863
Work in process		992			1,033
Finished goods		1,059			934
Reserves		(1,243	)		(1,170	)
Total inventories	$	22,951		$	21,660

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	Customer Relationships		Patents		Total
Balances as of January 1, 2023	$	216	$	206	$	422
Amortization		144		15		159
Balances as of December 31, 2023	$	72	$	191	$	263
Amortization		36		4		40
Balances as of March 31, 2024	$	36	$	187	$	223

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Year	Amount
2024	$	47
2025		14
2026		14
2027		14
2028		14
Thereafter		10
Total	$	113