Business Segment and Geographic Region Information (Tables)

12 Months Ended

Dec. 31, 2018

Business Segment and Geographic Region Information

Schedule of revenue by product lines

	Year ended December 31,
	2018		2017		2016
	(in thousands)
Ion implantation systems and services	$	421,747	$	391,051	$	248,885
Other systems and services		20,828		19,510		18,095
Total revenue	$	442,575	$	410,561	$	266,980

Schedule of revenue and long-lived assets by geographic region

			Long-Lived
	Revenue		Assets
	(in thousands)
2018
United States	$	342,802	$	66,089
Europe		29,417		—
Asia Pacific		70,356		4,893
	$	442,575	$	70,982
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