Supplemental Statements of Cash Flows Information (Tables)

12 Months Ended

Jan. 31, 2015

Supplemental Cash Flow Elements [Abstract]

Supplemental Disclosures of Cash Flows Information

Supplemental disclosures of cash flows information for the fiscal years ended January 31, 2015, 2014 and 2013 were as follows (in thousands):

	Years Ended January 31,
	2015		2014		2013
Interest paid	$	860	$	342	$	533
Income taxes paid, net		268		215		9,177
Seismic equipment purchases included in accounts payable at year-end		72		7,707		4,268
Stock issued for accrued compensation		—		—		516