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Note 4 - Balance Sheet Information (Tables)

3 Months Ended

Mar. 31, 2023

Notes Tables

Schedule of Inventory, Current [Table Text Block]

Inventories:		March 31,				December 31,
(in thousands)		2023				2022
Finished goods		$	5,144			$	5,223
Work in process			3,660				3,776
Raw materials			18,057				17,440
Total		$	26,861			$	26,439

Other Current Liabilities [Table Text Block]

Other Current Liabilities:		March 31,				December 31,
(in thousands)		2023				2022
Compensation		$	3,154			$	3,476
Professional fees			589				392
Warranty costs			279				268
Customer credits			2,204				2,368
Accrued income taxes			700				-
Other			1,092				982
Total		$	8,018			$	7,486

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