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Note 9 - Other Financial Statement Information (Tables)

3 Months Ended

Mar. 31, 2024

Notes Tables

Schedule of Inventory, Current [Table Text Block]

		March 31, 2024				December 31, 2023
Raw materials		$	4,669			$	4,368
Work in process			4,346				4,150
Finished goods			1,515				1,634
Total gross inventory			10,530				10,152
Reserve for excess and obsolete inventory			(1,369	)			(1,268	)
Total Inventories, net		$	9,161			$	8,884

Property, Plant and Equipment [Table Text Block]

		March 31, 2024				December 31, 2023
Land		$	536			$	536
Buildings and improvements			5,216				5,216
Machinery and equipment			20,168				20,046
Gross property, plant and equipment			25,920				25,798
Less: Accumulated depreciation			(21,886	)			(21,667	)
Property, plant and equipment, net		$	4,034			$	4,131

Schedule of Finite-Lived Intangible Assets [Table Text Block]

		March 31, 2024				December 31, 2023
Intellectual property		$	1,225			$	1,226
Goodwill			40				40
Gross intangible assets			1,265				1,266
Less: Accumulated amortization			(1,225	)			(1,221	)
Intangible assets, net		$	40			$	45

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