Revenue From Contracts With Customers (Tables)

6 Months Ended

Jun. 30, 2020

Revenue from Contract with Customer [Abstract]

Summary of disaggregation of revenue

The following table is a summary of net revenues by geographic area (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
North America	$	5,631	$	13,645	$	37,441	$	20,802
Latin America	4,966		14,321		14,770		27,852
Asia Pacific	2,631		3,676		11,919		5,543
Europe	6,176		6,123		9,986		16,515
Middle East	942		1,106		1,896		2,465
Africa	1,004		2,278		1,595		4,667
Other	1,381		626		1,538		887
Total	$	22,731	$	41,775	$	79,145	$	78,731

Schedule of contract with customer, asset and liability

The following table is a summary of unbilled receivables (in thousands):

	June 30, 2020		December 31, 2019
New Venture	$	5,515	$	5,222
Imaging and Reservoir Services	5,647		6,539
Devices	1,775		54
Total	$	12,937	$	11,815

The changes in unbilled receivables are as follows (in thousands):

Unbilled receivables at December 31, 2019	$	11,815
Recognition of unbilled receivables	76,561
Revenues billed to customers	(75,439)
Unbilled receivables at June 30, 2020	$	12,937

The following table is a summary of deferred revenues (in thousands):

	June 30, 2020		December 31, 2019
New Venture	$	2,385	$	1,956
Imaging and Reservoir Services	872		1,501
Optimization Software & Services	696		642
Devices	105		452
Total	$	4,058	$	4,551

The changes in deferred revenues are as follows (in thousands):

Deferred revenue at December 31, 2019	$	4,551
Cash collected in excess of revenue recognized	2,094
Recognition of deferred revenue (a)	(2,587)
Deferred revenue at June 30, 2020	$	4,058

(a) The majority of deferred revenue recognized relates to Company’s Ventures group.