INTERIM CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Oct. 31, 2013	Apr. 30, 2013
Allowance for Doubtful Accounts Receivable, Current	$ 330,905	$ 456,051
Preferred Stock, Par Value Per Share	$ 0.001	$ 0.001
Preferred Stock, Shares Authorized	100,000,000	100,000,000
Preferred Stock, Shares Issued		1
Preferred Stock, Shares Outstanding		1
Common Stock, Par Value Per Share	$ 0.001	$ 0.001
Common Stock, Shares Authorized	100,000,000	100,000,000
Common Stock, Shares, Issued	42,080,937	41,958,350