INTERIM CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)	Oct. 31, 2016	Apr. 30, 2016
Allowance for Doubtful Accounts Receivable, Current	$ 370,569	$ 547,173
Preferred Stock, Par Value Per Share	$ 0.001	$ 0.001
Preferred Stock, Shares Authorized	100,000,000	100,000,000
Preferred Stock, Shares Issued
Preferred Stock, Shares Outstanding
Common Stock, Par Value Per Share	$ 0.001	$ 0.001
Common Stock, Shares Authorized	10,000,000	10,000,000
Common Stock, Shares, Issued	4,553,548	4,542,348
Common Stock, Shares, Outstanding	4,553,548	4,542,348