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Note 5 - Balance Sheet Information (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Schedule of Inventory, Current [Table Text Block]

Inventories:		December 31,
(in thousands)		2023				2022
Finished goods		$	5,120			$	5,223
Work in process			4,188				3,776
Raw materials			15,408				17,440
Total		$	24,716			$	26,439

Property, Plant and Equipment [Table Text Block]

Property, Plant and Equipment:		December 31,
(in thousands)		2023				2022
Machinery and equipment		$	8,154			$	7,500
Computer equipment and software			6,493				6,781
Leasehold improvements			2,417				2,507
Furniture and fixtures			1,244				1,386
Automobiles			58				38
			18,366				18,212
Less: accumulated depreciation			(14,385	)			(14,846	)
Property, plant and equipment, net		$	3,981			$	3,366

Other Current Liabilities [Table Text Block]

Other Current Liabilities:		December 31,
(in thousands)		2023				2022
Compensation		$	3,929			$	3,476
Customer credits			3,201				2,368
Professional fees			499				392
Warranty costs			336				268
Other			1,240				982
Total		$	9,205			$	7,486

Long-Lived Assets by Geographic Areas [Table Text Block]

		December 31,
(in thousands)		2023				2022
United States		$	21,558			$	26,051
Germany			1,703				2,432
Rest of the world			1,322				1,489
Total long-lived assets		$	24,583			$	29,972

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