Consolidated Balance Sheets (Parentheticals) (USD $)	Apr. 30, 2014	Apr. 30, 2013
Preferred stock, shares issued	0	0
Preferred stock,par value (in Dollars per share)	$ 0	$ 0
Common stock, par value (in Dollars per share)	$ 0	$ 0
Common stock,shares issued	38,507,387	38,352,509
Common stock,shares outstanding	38,507,387	38,352,509