Note 11 - Warrants (Tables)

6 Months Ended

Sep. 30, 2025

Notes Tables

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

Outstanding and exercisable
Range of Exercise prices		Number outstanding		Weighted average remaining life in years		Weighted Average Exercise Price		Exercisable
$	-		-		-	$	-		-

	9/30/2025					3/31/2025
	# of Shares			Weighted Average		# of Shares		Weighted Average
				Exercise Price				Exercise Price
Outstanding, beginning of year		200,000		$	0.20		200,000	$	0.20
Issued		-			-		-		-
Exercised		-			-		-		-
Expired		(200,000	)	$	0.20		-		-
Cancelled		-			-		-		-
Outstanding, end of period		-		$	-		200,000	$	0.20
Exercisable, end of period		-		$	-		200,000	$	0.20