Statement of Cash Flow Information

3 Months Ended

Mar. 31, 2018

Supplemental Cash Flow Elements [Abstract]

STATEMENT OF CASH FLOW INFORMATION

Cash and cash equivalents at March 31, 2018 and December 31, 2017 included $0.1 million and $0.6 million, respectively of restricted cash related to collateral on seismic operations bonds.

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 the three months ended March 31, 2018 and 2017 were $3.5 million and $0.3 million, respectively. During the three months ended March 31, 2018, the Company also received income tax refunds totaling $0.1 million.

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



	Three Months Ended March 31,
	2018		2017
Non-monetary exchanges related to resale licensing	$	—	$	250

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



	Three Months Ended March 31,
	2018		2017
Acquisition revenue on underwriting from non-monetary exchange contracts	$	—	$	39
Licensing revenue from specific data licenses and selections on non-monetary exchange contracts	—		250
Solutions and other revenue recognized from non-monetary exchange contracts	5		—
Total non-cash revenue	$	5	$	289