Supplemental Statements of Cash Flows Information (Tables)

12 Months Ended

Jan. 31, 2017

Supplemental Cash Flow Elements [Abstract]

Supplemental Disclosures of Cash Flows Information

Supplemental disclosures of cash flows information for the fiscal years ended January 31, 2017, 2016 and 2015 were as follows (in thousands):

	Years Ended January 31,
	2017		2016		2015
Interest paid	$	673	$	694	$	860
Income taxes paid, net		409		1,520		268
Seismic equipment purchases included in accounts payable at year-end		130		325		72