BASIC AND DILUTED NET LOSS PER COMMON SHARE (Details) - USD ($)	12 Months Ended
	Apr. 30, 2015	Apr. 30, 2014
Numerator:
Loss from continuing operations attributable to WPCS common shareholders	$ (9,506,300)	$ (10,671,717)
Loss from discontinued operations, basic and diluted	(2,106,449)	(484,962)
Net loss attributable to WPCS common shareholders, basice and diluted	$ (11,328,539)	$ (11,167,966)
Denominator:
Basic and diluted weighted average shares outstanding	672,723	254,446
Basic and diluted loss from continuing operations per common share	$ (14.13)	$ (41.94)
Basic and diluted income from discontinued operations per common share	(2.71)	(1.95)
Basic and diluted loss per common share	$ (16.84)	$ (43.89)