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Note 3 - Convertible Notes Payable (Tables)

3 Months Ended

12 Months Ended

Jun. 30, 2025

Mar. 31, 2025

Notes Tables

Convertible Debt [Table Text Block]

		Principal Amount				Amortized Debt Discount				Net Carrying Amount
Outstanding, March 31, 2024		$	1,330			$	(328	)		$	1,002
Amortization of debt discount			—				175				175
Issuance of common stock for extinguishment of convertible debt			(1,330	)			153				(1,177	)
Outstanding, March 31, 2025		$	—			$	—			$	—

Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]

						Weighted- Average
						Exercise Price
		Warrants				Per Share
Outstanding and exercisable, March 31, 2025			25,003			$	20.00
Granted			-				-
Exercised			-				-
Forfeited/Cancelled			-				-
Expired			-				-
Outstanding, June 30, 2025			25,003			$	20.00
Exercisable, June 30, 2025			25,003			$	20.00

		Warrants				Weighted- Average Exercise Price Per Share				Remaining Life (In Years)				Aggregate Intrinsic Value*
Outstanding and exercisable, March 31, 2024			25,003			$	20.00				4.48			$	1,010,000
Granted			—				—				—				—
Exercised			—				—				—				—
Forfeited/Cancelled			—				—				—				—
Expired			—				—				—				—
Outstanding, March 31, 2025			25,003			$	20.00				3.48			$	—
Exercisable, March 31, 2025			25,003			$	20.00				3.48			$	—

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- Definition

Tabular disclosure of convertible debt instrument. Includes, but is not limited to, principal amount and amortized premium or discount.

+ References

No definition available.

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- Definition

Tabular disclosure of warrants or rights issued. Warrants and rights outstanding are derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months. Disclose the title of issue of securities called for by warrants and rights outstanding, the aggregate amount of securities called for by warrants and rights outstanding, the date from which the warrants or rights are exercisable, and the price at which the warrant or right is exercisable.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-3

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