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Note 4 - Balance Sheet Information (Tables)

9 Months Ended

Sep. 30, 2021

Notes Tables

Schedule of Inventory, Current [Table Text Block]

Inventories:		September 30,				December 31,
(in thousands)		2021				2020
Finished goods		$	5,510			$	4,938
Work in process			3,506				3,513
Raw materials			16,962				13,811
Total		$	25,978			$	22,262

Other Current Liabilities [Table Text Block]

Other Current Liabilities:		September 30,				December 31,
(in thousands)		2021				2020
Compensation		$	3,992				3,715
Professional fees			793				432
Warranty costs			228				185
Customer related costs			1,992				1,093
Interest			369				46
Accrued income taxes			246				286
Other			2,050				1,721
Total		$	9,670			$	7,478

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