Revenues

9 Months Ended

Sep. 30, 2018

Revenue from Contract with Customer [Abstract]

Revenues

REVENUES

The following tables present our revenues by Sales type as presented in our condensed consolidated statements of operations disaggregated by the timing of transfer of goods or services (in thousands, unaudited):

	For the Three Months Ended September 30,
	2018		2017
Product sales
Product transferred to customers at a point in time	$	75,817	$	68,563
Product transferred to customers over time	—		—
	$	75,817	$	68,563

	For the Nine Months Ended September 30,
	2018		2017
Product sales
Product transferred to customers at a point in time	$	222,118	$	193,476
Product transferred to customers over time	—		—
	$	222,118	$	193,476

	For the Three Months Ended September 30,
	2018		2017
Service sales
Service transferred to customers at a point in time	$	11,580	$	9,522
Service transferred to customers over time	12,308		12,165
	$	23,888	$	21,687

	For the Nine Months Ended September 30,
	2018		2017
Service sales
Service transferred to customers at a point in time	$	30,939	$	26,694
Service transferred to customers over time	37,726		34,324
	$	68,665	$	61,018

The following table presents our revenues disaggregated by geography, based on the billing addresses of our customers (in thousands, unaudited):

	For the Three Months Ended September 30,
	2018		2017
Net sales to external customers
United States	$	38,090	$	35,316
EMEA (1)	29,577		27,975
APAC (1)	27,942		23,810
Other Americas (1)	4,096		3,149
	$	99,705	$	90,250

	For the Nine Months Ended September 30,
	2018		2017
Net sales to external customers
United States	$	115,670	$	99,229
EMEA (1)	88,858		77,256
APAC (1)	75,475		67,951
Other Americas (1)	10,780		10,058
	$	290,783	$	254,494

⁽¹⁾ Regions represent Europe, the Middle East, and Africa (EMEA); Asia-Pacific (APAC); and Canada, Mexico, and Brazil (Other Americas).