Supplemental Cash Flow Information and Non-Cash Activity

6 Months Ended

Jun. 30, 2017

Supplemental Cash Flow Elements [Abstract]

Supplemental Cash Flow Information and Non-cash Activity

Supplemental Cash Flow Information and Non-cash Activity

The following table is a summary of cash paid for Interest and Income taxes and non-cash items from investing and financing activities (in thousands):

	Six Months Ended June 30,
	2017		2016
Cash paid during the period for:
Interest	$	7,075	$	8,149
Income taxes (refunds)	2,364		(6		)
Non-cash items from investing and financing activities:
Investment in multi-client data library in accounts payable and accrued expenses	4,561		—
Bond exchange	—		10,740			(a)

^(a)  This represents the non cash portion of the bond exchange.