Revenue recognition (Tables)

3 Months Ended

Mar. 31, 2020

Revenue recognition

Schedule of disaggregated revenue

	Three Months Ended
	March 31, 2020
(in thousands)	NA		EMEA		Asia Pacific		Total
Product revenues
Instruments	$	1,753	$	726	$	1,209	$	3,688
Consumable and other products		2,924		2,704		517		6,145
Totals	$	4,677	$	3,430	$	1,726	$	9,833
Service and other revenues
Service-type warranties	$	748	$	379	$	52	$	1,179
Research services		3,667		82		538		4,287
Other services		231		60		5		296
Totals	$	4,646	$	521	$	595	$	5,762
Collaboration and license revenue
Collaboration and license revenue	$	122	$	10	$	—	$	132
Totals	$	122	$	10	$	—	$	132

	Three Months Ended
	March 31, 2019
(in thousands)	NA		EMEA		Asia Pacific		Total
Product revenues
Instruments	$	1,397	$	1,145	$	874	$	3,416
Consumable and other products		3,619		2,088		424		6,131
Totals	$	5,016	$	3,233	$	1,298	$	9,547
Service and other revenues
Service-type warranties	$	689	$	234	$	37	$	960
Research services		1,504		—		—		1,504
Other services		201		108		17		326
Totals	$	2,394	$	342	$	54	$	2,790
Collaboration and license revenue
Collaboration and license revenue	$	—	$	—	$	—	$	—
Totals	$	—	$	—	$	—	$	—

Schedule of changes in deferred revenue from contracts with customers

Changes in deferred revenue from contracts with customers were as follows (in thousands):

	Three Months Ended March 31, 2020
Balance at December 31, 2019	$	5,163
Deferral of revenue		1,850
Recognition of deferred revenue		(1,179)
Balance at March 31, 2020	$	5,834

Schedule of costs to obtain a contract

The change in the balance of costs to obtain a contract are as follows (in thousands):

	Three Months Ended March 31, 2020
Balance at December 31, 2019	$	335
Deferral of costs to obtain a contract		94
Recognition of costs to obtain a contract		(203)
Balance at March 31, 2020	$	226