v3.26.1
Note 1 - Organization, Liquidity and Summary of Significant Accounting Policies (Details Textual) - USD ($)
$ in Thousands
Apr. 30, 2026
Jan. 31, 2026
Working Capital (Deficit) $ 37,800 $ 37,400
Cash and Cash Equivalent $ 17,656 19,050
Letter of Credit [Member] | HSBC Singapore [Member]    
Line of Credit Facility, Maximum Borrowing Capacity   $ 5,000