Supplemental Statements of Cash Flows Information (Tables)

12 Months Ended

Jan. 31, 2014

Supplemental Cash Flow Elements [Abstract]

Supplemental Disclosures of Cash Flows Information

Supplemental disclosures of cash flows information for the fiscal years ended January 31, 2014, 2013 and 2012 were as follows (in thousands):

	Years Ended January 31,
	2014		2013		2012
Interest paid	$	342	$	533	$	704
Income taxes paid, net		215		9,177		7,536
Seismic equipment purchases included in accounts payable at year-end		7,707		4,268		9,900
Stock issued for accrued compensation		—		516		303