Statement of Cash Flow Information

12 Months Ended

Dec. 31, 2016

Supplemental Cash Flow Elements [Abstract]

STATEMENT OF CASH FLOW INFORMATION

Cash and cash equivalents at December 31, 2016 and 2015 included $0.5 million of restricted cash related to collateral on seismic operations bonds. The balance at December 31, 2015 also included $125,000 (Canadian) of restricted cash posted as security against Company issued credit cards.

For purposes of the statement of cash flows, the Company considers all highly liquid investments or debt instruments with an original maturity of three months or less to be cash equivalents. The Company maintains its day-to-day operating cash and temporary excess cash with various banking institutions that, in turn, invest in time deposits and U.S. Treasury bills.

Income taxes paid during 2016, 2015 and 2014 were $1.5 million, $0.3 million and $2.3 million, respectively. In 2016, 2015 and 2014, the Company received income tax refunds of $5.1 million, $1.0 million, and $7.2 million, respectively.

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



	Year Ended December 31,
	2016		2015			2014
Non-monetary exchanges related to resale licensing	$	1,840	$	9,300		$	741
Non-monetary exchanges from underwriting of new data acquisition	408		—			209
Adjustment to prior year non-monetary exchange from underwriting of new data acquisition	—		(2		)	—
Non-monetary exchanges related to data processing and reproduction services	392		13			—
Total non-cash additions to seismic data library	$	2,640	$	9,311		$	950

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



	Year Ended December 31,
	2016		2015		2014
Acquisition revenue on underwriting from non-monetary exchange contracts	$	129	$	168	$	38
Licensing revenue from specific data licenses and selections on non-monetary exchange contracts	3,179		6,747		1,033
Solutions revenue recognized from non-monetary exchange contracts	—		13		—
Total non-cash revenue	$	3,308	$	6,928	$	1,071