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Note 5 - Balance Sheet Information (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Schedule of Inventory, Current [Table Text Block]

Inventories:		December 31,
(in thousands)		2022				2021
Finished goods		$	5,223			$	5,646
Work in process			3,776				3,410
Raw materials			17,440				18,531
Total		$	26,439			$	27,587

Property, Plant and Equipment [Table Text Block]

Property, Plant and Equipment:		December 31,
(in thousands)		2022				2021
Machinery and equipment		$	7,500			$	7,698
Computer equipment and software			6,781				6,269
Leasehold improvements			2,507				2,560
Furniture and fixtures			1,386				1,296
Automobiles			38				41
			18,212				17,864
Less: accumulated depreciation			(14,846	)			(14,449	)
Property, plant and equipment, net		$	3,366			$	3,415

Other Current Liabilities [Table Text Block]

Other Current Liabilities:		December 31,
(in thousands)		2022				2021
Compensation		$	3,476			$	6,048
Professional fees			392				480
Warranty costs			268				240
Customer advances			2,368				2,265
Accrued income taxes			-				224
Other			982				1,505
Total		$	7,486			$	10,762

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