Revenues (Tables)

6 Months Ended

Jun. 30, 2019

Revenues [Abstract]

Disaggregation of Revenues

Revenues by geographic area, based on the billing location of the customer, were as follows for the periods presented:

	Three Months Ended June 30,				Six Months Ended June 30,
	2019		2018		2019		2018
United States of America	$	9,292	$	9,584	$	19,333	$	19,795
United Kingdom		1,483		2,012		3,028		4,122
Other (1)		1,701		2,655		3,563		5,736
Total revenues, net	$	12,476	$	14,251	$	25,924	$	29,653

(1) No individual country within the “Other” category accounted for 10% or more of revenues, net for any period presented.

Changes in Balances of Deferred Costs to Obtain and Fulfill Contracts

Revenues by nature of services performed were as follows for the periods presented:

	Three Months Ended June 30,				Six Months Ended June 30,
	2019		2018		2019		2018
Subscriptions	$	9,427	$	13,897	$	19,853	$	28,912
Strategic agreements		3,049		354		6,071		741
Total revenues, net	$	12,476	$	14,251	$	25,924	$	29,653