Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2017

Revenue Recognition [Abstract]

Revenue Recognized From Non-Monetary Exchanges

Due to the Company’s revenue recognition policies, revenue recognized on non-monetary exchange transactions may not occur at the same time that the seismic data acquired is recorded as an asset. The activity related to non-monetary exchanges was as follows (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2017		2016		2017		2016
Seismic data library additions	$	—	$	1,618	$	1,250	$	2,640
Revenue recognized on specific data licenses or selections of data	—		1,295		1,250		2,635
Revenue recognized related to acquisition contracts	103		54		229		78
Revenue recognized related to Solutions and other revenue	44		—		75		—