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Note 4 - Balance Sheet Information (Tables)

6 Months Ended

Jun. 30, 2021

Notes Tables

Schedule of Inventory, Current [Table Text Block]

Inventories:		June 30,				December 31,
(in thousands)		2021				2020
Finished goods		$	5,434			$	4,938
Work in process			3,758				3,513
Raw materials			15,517				13,811
Total		$	24,709			$	22,262

Other Current Liabilities [Table Text Block]

Other Current Liabilities:		June 30,				December 31,
(in thousands)		2021				2020
Compensation		$	3,409				3,715
Professional fees			815				432
Warranty costs			237				185
Customer related costs			1,120				1,093
Accrued income taxes			544				286
Other			1,698				1,767
Total		$	7,823			$	7,478

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