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Supplemental Statements of Cash Flows Information (Tables) | 12 Months Ended
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Jan. 31, 2018
Supplemental Cash Flow Elements [Abstract] |
Supplemental Disclosures of Cash Flows Information | Supplemental disclosures of cash flows information for the fiscal years ended January 31, 2018, 2017 and 2016 were as follows (in thousands):
| Years Ended January 31,
| 2018 |  | 2017 |  | 2016
Interest paid | $ | 86 |  |  | $ | 673 |  |  | $ | 694 |
Income taxes paid, net | 494 |  |  | 409 |  |  | 1,520 |
Seismic equipment purchases included in accounts payable at year-end | 53 |  |  | 130 |  |  | 325 |

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- References No definition available. + Details
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