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Note 17 - Segment Reporting (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]

		Year Ended December 31,
(in thousands)		2017				2016				2015
Revenue:
United States		$	263,086			$	223,930			$	208,018
Europe			70,154				63,365				47,433
Japan			11,250				10,760				8,655
Total revenue		$	344,490			$	298,055			$	264,106

Income from Operations by Geographic Area [Table Text Block]

		Year Ended December 31,
(in thousands)		2017				2016				2015
Income from Operations:
United States		$	103,136			$	89,308			$	86,450
Europe			12,846				11,657				13,304
Corporate Unallocated and Japan			(43,756	)			(39,198	)			(32,605	)
Total income from operations		$	72,226			$	61,767			$	67,149

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

		December 31,				December 31,				December 31,
(in thousands)		2017				2016				2015
Long-lived assets:
United States		$	125,308			$	108,650			$	98,633
Europe			33,691				23,199				23,636
Japan			7,441				7,625				3,206
Total long-lived assets		$	166,440			$	139,474			$	125,475

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

		Year Ended December 31,
(in thousands)		2017				2016				2015
Expenditures for additions to long-lived assets:
United States		$	20,370			$	21,190			$	32,560
Europe			11,704				5,954				10,396
Japan			561				6,472				1,406
Total expenditures for additions to long-lived assets		$	32,635			$	33,616			$	44,362

Depreciation and Amortization by Geographic Region [Table Text Block]

		Year Ended December 31,
(in thousands)		2017				2016				2015
Depreciation and Amortization:
United States		$	13,267			$	12,533			$	11,596
Europe			4,174				3,386				2,132
Japan			1,033				1,566				398
Total depreciation and amortization		$	18,474			$	17,485			$	14,126

Revenue from External Customers by Products and Services [Table Text Block]

		Year Ended December 31,
(in thousands)		2017				2016				2015
Revenue:
Injection Molding		$	194,432			$	175,974			$	163,387
CNC Machining			103,739				81,407				74,368
3D Printing			43,329				37,847				25,132
Sheet Metal			1,767				-				-
Other Product			1,223				2,827				1,219
Total revenue		$	344,490			$	298,055			$	264,106

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