Business Segment and Geographic Region Information (Tables)

12 Months Ended

Dec. 31, 2017

Business Segment and Geographic Region Information

Schedule of revenue by product lines

	Year ended December 31,
	2017		2016		2015
	(in thousands)
Ion implantation systems and services	$	391,051	$	248,885	$	282,624
Other systems and services		19,510		18,095		18,871
Total revenue	$	410,561	$	266,980	$	301,495

Schedule of revenue and long-lived assets by geographic region

			Long-Lived
	Revenue		Assets
	(in thousands)
2017
United States	$	313,916	$	56,089
Europe		26,936		—
Asia Pacific		69,709		707
	$	410,561	$	56,796
2016
United States	$	191,261	$	52,006
Europe		25,436		—
Asia Pacific		50,283		517
	$	266,980	$	52,523
2015
United States	$	226,890	$	41,729
Europe		24,209		—
Asia Pacific		50,396		334
	$	301,495	$	42,063