Revenues (Tables)

3 Months Ended

Mar. 31, 2022

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

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 March 31,
	2022		2021
Product sales
Product transferred to customers at a point in time	$	51,480	$	50,870
Product transferred to customers over time	5,250		3,765
	$	56,730	$	54,635

	For the Three Months Ended March 31,
	2022		2021
Service sales
Service transferred to customers at a point in time	$	8,703	$	9,997
Service transferred to customers over time	11,223		11,699
	$	19,926	$	21,696

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 March 31,
	2022		2021
Total sales to external customers
Americas (1)	$	36,677	$	32,549
EMEA (1)	22,136		25,454
APAC (1)	17,843		18,328
	$	76,656	$	76,331

(1) Regions represent North America and South America (Americas); Europe, the Middle East, and Africa (EMEA); and the Asia-Pacific (APAC).