Note 12 - Commitments and Contingencies (Details Textual) - Master Services Agreement [Member] - 180 Consulting [Member] - USD ($)	6 Months Ended	12 Months Ended	46 Months Ended	58 Months Ended
Jan. 31, 2025	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2024	Jan. 31, 2025
Stock Issued During Period, Shares, Issued for Services (in shares)	62,928	117,396	37,647	98,660	218,581
Professional Fees		$ 2,538,000	$ 2,580,000
Share-Based Payment Arrangement, Amount Capitalized		615,000	582,000
Statements of Work Under Sublease [Member]
Payments for Other Fees		$ 568,000	$ 563,000
Private Placement [Member]
Stock Issued During Period, Shares, Issued for Services (in shares)	117,396

Amount of cost capitalized for award under share-based payment arrangement.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(ii)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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- Definition

Amount of cash outflow for fees classified as other.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
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-Paragraph 25
-Subparagraph (g)
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-Topic 230
-Publisher FASB
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- Definition

A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 946
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-Section 55
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Reference 3: http://www.xbrl.org/2003/role/exampleRef
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Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 946
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Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders.

+ References

No definition available.

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