Note 2 - Summary of Significant Accounting Policies - Summary of Cash and Cash Equivalents (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Mar. 31, 2026
Total cash and cash equivalents	$ 7,014	$ 3,509

Amount of cash and cash equivalent. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate.

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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Balance Type:	debit
Period Type:	instant