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Note 7 - Long-lived Assets (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Property, Plant and Equipment [Table Text Block]

		As of December 31,
		2022				2021				Life (in years)
Land		$	1,423			$	1,423
Buildings			20,792				20,778				39
Machinery and equipment			120,893				116,725				2 - 10
Office furniture and equipment			5,705				5,480				3 - 7
Leasehold improvements			9,040				8,937			Shorter of asset life or life of lease
Construction in progress			2,360				677
			160,213				154,020
Less accumulated depreciation and amortization			(114,894	)			(110,365	)
Total property and equipment		$	45,319			$	43,655

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

		December 31, 2022																				December 31, 2021
																		Remaining																				Remaining
																		Weighted																				Weighted
										Accumulated				Net				Average												Accumulated				Net				Average
		Cost				Accumulated				Impairment				Book				Amortization								Accumulated				Impairment				Book				Amortization
		Basis				Amortization				Charges				Value				Period				Cost				Amortization				Charges				Value				Period
Intangible assets:
Noncompete agreements		$	170			$	(167	)		$	—			$	3				0.1			$	170			$	(139	)		$	—			$	31				1.1
Customer relationships			15,979				(7,581	)			(7,592	)			806				3.1				15,979				(7,284	)			(7,592	)			1,103				4.0
Trade names			9,099				(7,180	)			—				1,919				4.8				9,099				(6,780	)			—				2,319				5.8
Intangible assets		$	25,248			$	(14,928	)		$	(7,592	)		$	2,728				4.3			$	25,248			$	(14,203	)		$	(7,592	)		$	3,453				5.2

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

2023		$	664
2024			661
2025			661
2026			422
2027			320
Total		$	2,728

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Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.

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