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Note 2 - Summary of Significant Accounting Policies - Acquisition Earnout Liability Rollforward (Details) - Earn Out Liability [Member]
12 Months Ended
Jan. 31, 2025
USD ($)
Balance $ 1,794,000
Settlement - common stock (690,000)
Settlement - cash (447,000)
Realized loss 159,000
Transfer out (817,000)
Balance