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v3.23.2

Note 2 - Sale of Subsidiaries and Subsequent Events - Summary of Condensed Balance Sheet (Details) (Parentheticals) - USD ($) $ / shares in Units, $ in Thousands | Jul. 31, 2023 | Jan. 31, 2023
--- | --- | ---
Allowance for doubtful accounts | $ 504 | $ 504
Preferred stock, par value (in dollars per share) | $ 1.00 | $ 1.00
Preferred stock, shares authorized (in shares) | 2,000,000 | 2,000,000
Preferred stock, shares issued (in shares) | 1,683,000 | 1,683,000
Preferred stock, shares outstanding (in shares) | 1,683,000 | 1,683,000
Common stock, par value (in dollars per share) | $ 0.01 | $ 0.01
Common stock, shares authorized (in shares) | 40,000,000 | 40,000,000
Common stock, shares issued (in shares) | 15,721,000 | 15,721,000
Treasury stock, shares (in shares) | 1,933,000 | 1,933,000
Pro Forma [Member] |  |
Allowance for doubtful accounts | $ 504 |
Preferred stock, par value (in dollars per share) | $ 1.00 |
Preferred stock, shares authorized (in shares) | 2,000,000 |
Preferred stock, shares issued (in shares) | 1,683,000 |
Preferred stock, shares outstanding (in shares) | 1,683,000 |
Common stock, par value (in dollars per share) | $ 0.01 |
Common stock, shares authorized (in shares) | 40,000,000 |
Common stock, shares issued (in shares) | 15,721,000 |
Treasury stock, shares (in shares) | 1,933,000 |

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