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Supplemental Statements of Cash Flows Information
 12 Months Ended
Jan. 31, 2017
Supplemental Cash Flow Elements [Abstract]  
Supplemental Statements of Cash Flows Information

4. Supplemental Statements 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