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Note 4 - Balance Sheet Information (Tables)

3 Months Ended

Mar. 31, 2022

Notes Tables

Schedule of Inventory, Current [Table Text Block]

Inventories:		March 31,				December 31,
(in thousands)		2022				2021
Finished goods		$	6,798			$	5,646
Work in process			3,439				3,410
Raw materials			18,474				18,531
Total		$	28,711			$	27,587

Other Current Liabilities [Table Text Block]

Other Current Liabilities:		March 31,				December 31,
(in thousands)		2022				2021
Compensation		$	2,878			$	6,048
Professional fees			396				480
Warranty costs			242				240
Customer related costs			2,058				2,265
Settlement of litigation			4,814				-
Accrued income taxes			141				224
Other			1,653				1,505
Total		$	12,181			$	10,762

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