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Note 5 - Balance Sheet Information (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Schedule of Inventory, Current [Table Text Block]

Inventories:		December 31,
(in thousands)		2021				2020
Finished goods		$	5,646			$	4,938
Work in process			3,410				3,513
Raw materials			18,531				13,811
Total		$	27,587			$	22,262

Property, Plant and Equipment [Table Text Block]

Property, Plant and Equipment:		December 31,
(in thousands)		2021				2020
Machinery and equipment		$	7,698			$	7,450
Computer equipment and software			6,269				9,114
Leasehold improvements			2,560				2,540
Furniture and fixtures			1,296				1,353
Automobiles			41				100
			17,864				20,557
Less: accumulated depreciation			(14,449	)			(16,597	)
Property, plant and equipment, net		$	3,415			$	3,960

Other Current Liabilities [Table Text Block]

Other Current Liabilities:		December 31,
(in thousands)		2021				2020
Compensation		$	6,048				3,715
Professional fees			480				432
Warranty costs			240				185
Customer related costs			2,265				1,093
Accrued income taxes			224				286
Other			1,505				1,767
Total		$	10,762			$	7,478

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