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Note 1 - Organization and Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Jan. 31, 2022
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Year Ended |
|  | January 31, |
|  | 2022 |  |  | 2021 |
|  | (in thousands) |
Stock options |  |  | 37 |  |  |  | 48 |
Restricted stock |  |  | 13 |  |  |  | 17 |
Total dilutive shares |  |  | 50 |  |  |  | 65 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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