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Basis of Presentation and Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2016
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
The activity related to non-monetary exchanges
The activity related to non-monetary exchanges was as follows (in thousands): 
 
 
Year Ended December 31,
 
 
2016
 
2015
 
2014
Seismic data library additions
 
$
2,640

 
$
9,311

 
$
950

Revenue recognized on specific data licenses or selections of data
 
3,179

 
6,747

 
1,033

Revenue recognized related to acquisition contracts
 
129

 
168

 
38

Revenue recognized related to Solutions
 
—

 
13

 
—