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Note 7 - Stock-based Compensation (Tables) | 9 Months Ended
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Oct. 31, 2020
Notes Tables |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] |
|  | Three Months Ended October 31, |  |  | Nine Months Ended October 31, |
|  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |
Stock-based compensation expense |  | $ | - |  |  | $ | 2 |  |  | $ | 3 |  |  | $ | 10 |
Restricted stock-based compensation expense |  |  | 285 |  |  |  | 224 |  |  |  | 761 |  |  |  | 776 |
Total stock-based compensation expense |  | $ | 285 |  |  | $ | 226 |  |  | $ | 764 |  |  | $ | 786 |
Share-based Payment Arrangement, Option, Activity [Table Text Block] |
Option activity |  | No. of Shares Underlying Options |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Term |  |  | Aggregate Intrinsic Value |
Outstanding at January 31, 2020 |  |  | 132 |  |  | $ | 8.98 |  |  |  | 3.2 |  |  | $ | 160 |
Expired or forfeited |  |  | (18 | ) |  |  | - |  |  |  | - |  |  |  | - |
Outstanding at October 31, 2020 |  |  | 114 |  |  |  | 9.20 |  |  |  | 2.6 |  |  |  | - |
Exercisable at October 31, 2020 |  |  | 114 |  |  | $ | 9.20 |  |  |  | 2.6 |  |  | $ | - |
Schedule of Nonvested Share Activity [Table Text Block] |
Unvested option activity |  | No. of Shares Underlying Options |  |  | Weighted Average Grant Date Fair Value |  |  | Aggregate Intrinsic Value |
Outstanding at January 31, 2020 |  |  | 3 |  |  | $ | 7.33 |  |  | $ | 4 |
Vested |  |  | (3 | ) |  |  | - |  |  |  | - |
Expired or forfeited |  |  | - |  |  |  | - |  |  |  | - |
Outstanding at October 31, 2020 |  |  | - |  |  | $ | - |  |  | $ | - |
Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] |
Restricted stock activity |  | Restricted Shares |  |  | Weighted Average Grant Price Per Share |  |  | Aggregate Intrinsic Value |
Outstanding at January 31, 2020 |  |  | 321 |  |  | $ | 8.89 |  |  | $ | 2,857 |
Granted |  |  | 156 |  |  |  | 5.88 |  |  |  |  |
Vested and issued |  |  | (63 | ) |  |  | 8.96 |  |  |  |  |
Forfeited or retired for taxes |  |  | (38 | ) |  |  | 8.20 |  |  |  |  |
Outstanding at October 31, 2020 |  |  | 376 |  |  | $ | 7.61 |  |  | $ | 2,857 |

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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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