Stock Options and Warrants: (Details)				12 Months Ended
	Jun. 01, 1998 shares	Jun. 01, 1997 shares	Sep. 14, 1996 $ / shares shares	Feb. 28, 2025 item shares	Feb. 29, 2024 shares
Stock Options and Warrants:
Number of stock-based employee compensation plan | item				1
Employee Stock Option
Stock Options and Warrants:
Granted (in shares)			600,000
Exercise price (in dollars per share) | $ / shares			$ 0.35
Vested (in shares)	100,000	100,000	400,000	0	0
Exercised (in shares)				0