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Note 21 - Supplemental Cash Flow Information (Tables) | 12 Months Ended
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Jan. 31, 2020
Notes Tables |
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] |
Year Ended |  |  | January 31, |  |  |  | January 31, |  |  |  | January 31, |
|  |  | 2020 |  |  |  | 2019 |  |  |  | 2018 |
Trade accounts receivable |  |  | 3,733 |  |  |  | (135 | ) |  |  | (1,963 | )
Other accounts receivable |  |  | (2,547 | ) |  |  | (451 | ) |  |  | 16 |
Prepaid expenses and other |  |  | (5,942 | ) |  |  | (4,466 | ) |  |  | (1,772 | )
Inventory |  |  | (345 | ) |  |  | 74 |  |  |  | 52 |
Accounts payable |  |  | 1,768 |  |  |  | (1,065 | ) |  |  | 1,428 |
Accrued liabilities |  |  | 3,265 |  |  |  | 2,570 |  |  |  | (592 | )
Income taxes payable |  |  | (1,550 | ) |  |  | (2,423 | ) |  |  | 6,326 |
Operating leases |  |  | 546 |  |  |  | – |  |  |  | – |
Deferred revenue |  |  | (4,184 | ) |  |  | 2,047 |  |  |  | 902 |
|  |  | (5,256 | ) |  |  | (3,849 | ) |  |  | 4,397 |

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