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v3.23.3

Note 1 - Organization and Liquidity (Details Textual) - USD ($) $ in Thousands |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Aug. 21, 2023 | Jul. 31, 2023 | Apr. 30, 2023 | Oct. 31, 2023 | Oct. 31, 2022
Working Capital (Deficit) |  |  |  | $ 16,500 |
Cash |  |  |  | 5,600 |
Unbilled Contracts Receivable |  |  |  | 37,400 |
Payments of Ordinary Dividends, Preferred Stock and Preference Stock |  | $ 0 | $ 0 | (0) | $ 1,894
Proceeds from Divestiture of Businesses, Net of Cash Divested |  |  |  | $ 10,832 | $ 0
Klein Marine Services, Inc. [Member] |  |  |  |  |
Disposal Group, Including Discontinued Operation, Consideration | $ 11,500 |  |  |  |
Proceeds from Divestiture of Businesses, Net of Cash Divested | $ 7,300 |  |  |  |

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