Restricted Stock (Tables)

12 Months Ended

Apr. 30, 2012

Restricted Stock [Abstract]

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]

	2012				2011
	Restricted Shares Under Option		Weighted Average Grant Price		Restricted Shares Under Option		Weighted Average Grant Price
Outstanding at May 1	562,900		$	0.398	607,350		$	0.405
Granted	—		—		—		—
Vested	—		—		—		—
Forfeited	(312,900	)	0.500		(44,450	)	0.500
Outstanding at April 30	250,000		$	0.270	562,900		$	0.398