Statement of Cash Flow Information (Tables)

9 Months Ended

Sep. 30, 2018

Supplemental Cash Flow Elements [Abstract]

Schedule of Noncash Additions to Seismic Data Library

The Company had non-cash additions to its seismic data library comprised of the following (in thousands):

	Nine Months Ended September 30,
	2018		2017
Non-monetary exchanges related to resale licensing	$	1,210	$	1,250
Non-monetary exchanges related to data processing and reproduction services	152		—
Total non-cash additions to seismic data library	$	1,362	$	1,250

Schedule of Non-Cash Revenue

Non-cash revenue consisted of the following (in thousands):

	Nine Months Ended September 30,
	2018		2017
Acquisition revenue on underwriting from non-monetary exchange contracts	$	—	$	229
Licensing revenue from specific data licenses and selections on non-monetary exchange contracts	1,385		1,250
Solutions and other revenue recognized from non-monetary exchange contracts	452		75
Total non-cash revenue	$	1,837	$	1,554