BASIC AND DILUTED NET LOSS PER COMMON SHARE (Details) - USD ($)	3 Months Ended
	Jul. 31, 2015	Jul. 31, 2014
Numerator:
Loss from continuing operations attributable to WPCS common shareholders	$ (4,206,760)	$ (2,721,987)
Income from discontinued operations, basic and diluted	41,261	360,782
Net loss attributable to WPCS common shareholders, basice and diluted	$ (4,182,004)	$ (2,312,185)
Denominator:
Basic and diluted weighted average shares outstanding	1,470,248	632,417
Basic and diluted loss from continuing operations per common share	$ (2.86)	$ (4.3)
Basic and diluted income from discontinued operations per common share	0.02	0.64
Basic and diluted loss per common share	$ (2.84)	$ (3.66)