Revenues (Tables)

6 Months Ended

Jun. 30, 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:

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2022		2021		2022		2021
Product sales
Product transferred to customers at a point in time	$	54,178	$	56,674	$	105,659	$	107,544
Product transferred to customers over time	5,524		3,601		10,774		7,366
Total product sales	$	59,702	$	60,275	$	116,433	$	114,910

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2022		2021		2022		2021
Service sales
Service transferred to customers at a point in time	$	8,620	$	9,602	$	17,322	$	19,599
Service transferred to customers over time	11,595		12,233		22,818		23,932
Total service sales	$	20,215	$	21,835	$	40,140	$	43,531

The following table presents our revenues disaggregated by geography, based on the billing addresses of our customers:

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2022		2021		2022		2021
Total sales to external customers
Americas (1)	$	34,667	$	33,702	$	71,344	$	66,251
EMEA (1)	21,555		26,474		43,691		51,928
APAC (1)	23,695		21,934		41,538		40,262
	$	79,917	$	82,110	$	156,573	$	158,441

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