Supplemental Cash Flow Information and Non-Cash Activity Supplemental Cash Flow Information and Non-Cash Activity

6 Months Ended

Jun. 30, 2013

Supplemental Cash Flow Elements [Abstract]

Supplemental Cash Flow Information and Non-cash Activity

A summary of non-cash items from investing and financing activities is as follows (in thousands):



	Six Months Ended June 30,
	2013		2012
Purchases of computer equipment financed through capital leases	$	2,465	$	2,953
Leasehold improvement paid by landlord	$	1,738	$	—
Conversion of investment in a convertible note to equity	$	6,765	$	—
Transfer of inventory to seismic rental equipment	$	—	$	6,053

- Definition

The entire disclosure for supplemental cash flow activities, including cash, noncash, and part noncash transactions, for the period. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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