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Note 18 - Segment Reporting (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Income from Operations by Geographic Area [Table Text Block]

		Year Ended December 31,
(in thousands)		2021				2020				2019
Income from Operations:
United States		$	98,001			$	98,762			$	108,594
Europe			730				11,707				15,077
Corporate Unallocated and Japan			(58,389	)			(50,633	)			(43,815	)
Total income from operations		$	40,342			$	59,836			$	79,856

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

		December 31,				December 31,				December 31,
(in thousands)		2021				2020				2019
Long-lived assets:
United States		$	215,701			$	215,721			$	210,171
Europe			59,388				59,388				45,019
Japan			5,257				7,557				8,522
Total long-lived assets		$	280,346			$	282,666			$	263,712

Expenditures for Additions to Long-lived Assets by Geographic Region [Table Text Block]

		Year Ended December 31,
(in thousands)		2021				2020				2019
Expenditures for additions to long-lived assets:
United States		$	26,698			$	29,984			$	45,123
Europe			7,378				16,574				14,743
Japan			133				452				2,364
Total expenditures for additions to long-lived assets		$	34,209			$	47,010			$	62,230

Depreciation and Amortization by Geographic Region [Table Text Block]

		Year Ended December 31,
(in thousands)		2021				2020				2019
Depreciation and Amortization:
United States		$	31,642			$	25,744			$	24,767
Europe			7,101				5,024				4,746
Japan			1,745				1,826				1,351
Total depreciation and amortization		$	40,488			$	32,594			$	30,864

Operating Segments [Member]

Notes Tables

Revenue from External Customers by Geographic Areas [Table Text Block]

		Year Ended December 31,
(in thousands)		2021				2020				2019
Revenue:
United States		$	384,458			$	345,708			$	360,205
Europe			90,399				74,796				82,805
Japan			13,241				13,891				15,718
Total revenue		$	488,098			$	434,395			$	458,728

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