Note 13 - Restricted Cash and Deposits (Details Textual) - USD ($) |
Jul. 31, 2025 |
Jul. 31, 2024 |
Jan. 31, 2024 |
Jan. 31, 2023 |
|---|---|---|---|---|
| Restricted cash | $ 305,000 | $ 305,000 | ||
| Cash Securing a Letter of Credit Issued as Security Deposit [Member] | ||||
| Security Deposit | $ 305,000 | |||
| Restricted cash | $ 469,000 | $ 305,000 |
| X | ||||||||||
- Definition Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition The amount of an asset, typically cash, provided to a counterparty to provide certain assurance of performance by the entity pursuant to the terms of a written or oral agreement, such as a lease. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Details
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