Consolidated Balance Sheets (Parenthetical) - USD ($)	Apr. 30, 2016	Apr. 30, 2015
Accumulated depreciation of Property, plant and equipment	$ 308,223	$ 313,508
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, par value	$ 0.00001	$ 0.00001
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, shares authorized	100,000,000	11,250,000
Common stock, par value	$ .00001	$ 0.00001
Common stock, shares issued	4,263,672	4,259,506
Common stock, shares outstanding	4,263,672	4,259,506
Series B Preferred Stock [Member]
Preferred stock, shares authorized	29,500	29,500
Preferred stock, par value	$ 0.00001	$ 0.00001
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0