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Note 10 - Stock-based Compensation (Tables) | 12 Months Ended
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Jan. 31, 2020
Notes Tables |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] |
(In thousands) |  | 2019 |  | 2018
Stock-based compensation expense |  | $ | 12 |  |  | $ | 33 |
Restricted stock based compensation expense |  |  | 999 |  |  |  | 1,132 |
Total stock-based compensation expense |  | $ | 1,011 |  |  | $ | 1,165 |
Share-based Payment Arrangement, Option, Activity [Table Text Block] |
(Shares in thousands) |  | Options |  |  | Weighted average exercise price |  |  | Weighted average remaining contractual term |  |  | Aggregate intrinsic value |
Outstanding on January 31, 2018 |  |  | 358 |  |  | $ | 9.44 |  |  |  | 4 |  |  | $ | 482 |
Exercised |  |  | (77 | ) |  |  | 6.83 |  |  |  |  |  |  |  | 162 |
Expired or forfeited |  |  | (63 | ) |  |  | 16.2 |  |  |  |  |  |  |  |  |
Outstanding on January 31, 2019 |  |  | 218 |  |  |  | 8.6 |  |  |  | 3.8 |  |  |  | 257 |
Options exercisable on January 31, 2019 |  |  | 207 |  |  | $ | 8.69 |  |  |  | 3.6 |  |  |  | 239 |
Exercised |  |  | (53 | ) |  |  | 6.91 |  |  |  |  |  |  |  | 162 |
Expired or forfeited |  |  | (33 | ) |  |  | 7.1 |  |  |  |  |  |  |  |  |
Outstanding on January 31, 2020 |  |  | 132 |  |  |  | 8.98 |  |  |  | 3.2 |  |  |  | 160 |
Options exercisable on January 31, 2020 |  |  | 129 |  |  | $ | 9.01 |  |  |  | 3.14 |  |  | $ | 155 |
Schedule of Nonvested Share Activity [Table Text Block] |
Unvested options outstanding (shares in thousands) |  | Options |  | Weighted-average grant date fair value |  | Aggregate intrinsic value
Outstanding on January 31, 2019 |  |  | 11 |  |  | $ | 7.00 |  |  | $ | 19 |
Granted |  |  | — |  |  |  | — |  |  |  |  |
Vested |  |  | (6 | ) |  |  |  |  |  |  |  |
Expired or forfeited |  |  | (2 | ) |  |  | 7.1 |  |  |  |  |
Outstanding on January 31, 2020 |  |  | 3 |  |  | $ | 7.33 |  |  | $ | 4 |
Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] |
(Shares in thousands) |  | Restricted shares |  | Weighted average price |  | Aggregate intrinsic value
Outstanding on January 31, 2018 |  |  | 360 |  |  | $ | 9.05 |  |  | $ | 3,254 |
Granted |  |  | 148 |  |  |  | 9.76 |  |  |  |  |
Issued |  |  | (94 | ) |  |  |  |  |  |  |  |
Forfeited |  |  | (131 | ) |  |  | 7.92 |  |  |  |  |
Outstanding on January 31, 2019 |  |  | 283 |  |  | $ | 8.74 |  |  | $ | 2,476 |
Granted |  |  | 152 |  |  |  | 9.09 |  |  |  |  |
Issued |  |  | (51 | ) |  |  |  |  |  |  |  |
Forfeited |  |  | (26 | ) |  |  | 8.79 |  |  |  |  |
Outstanding on January 31, 2020 |  |  | 358 |  |  | $ | 9.03 |  |  | $ | 3,234 |

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- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901 + Details
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- Definition Tabular disclosure of the changes in outstanding nonvested shares. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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