CONSOLIDATED STATEMENTS OF EQUITY (DEFICIT) - 3 months ended Jul. 31, 2015 - USD ($)	Total	Series F Preferred Stock [Member]	Series G Preferred Stock [Member]	Series F1 Preferred Stock [Member]	Series G1 Preferred Stock [Member]	Series G And G1 Preferred Stock [Member]	Series F And F1 Preferred Stock [Member]	Series H Preferred Stock [Member]	Series H-1 Preferred Convertible Stock [Member]	Preferred Stock [Member]	Preferred Stock [Member] Series F Preferred Stock [Member]	Preferred Stock [Member] Series G Preferred Stock [Member]	Preferred Stock [Member] Series F1 Preferred Stock [Member]	Preferred Stock [Member] Series G1 Preferred Stock [Member]	Preferred Stock [Member] Series G And G1 Preferred Stock [Member]	Preferred Stock [Member] Series F And F1 Preferred Stock [Member]	Preferred Stock [Member] Series H Preferred Stock [Member]	Preferred Stock [Member] Series H-1 Preferred Convertible Stock [Member]	Common Stock [Member]	Common Stock [Member] Series F Preferred Stock [Member]	Common Stock [Member] Series G Preferred Stock [Member]	Common Stock [Member] Series F1 Preferred Stock [Member]	Common Stock [Member] Series G1 Preferred Stock [Member]	Common Stock [Member] Series G And G1 Preferred Stock [Member]	Common Stock [Member] Series F And F1 Preferred Stock [Member]	Common Stock [Member] Series H Preferred Stock [Member]	Common Stock [Member] Series H-1 Preferred Convertible Stock [Member]	Additional Paid-in Capital [Member]	Additional Paid-in Capital [Member] Series F Preferred Stock [Member]	Additional Paid-in Capital [Member] Series G Preferred Stock [Member]	Additional Paid-in Capital [Member] Series F1 Preferred Stock [Member]	Additional Paid-in Capital [Member] Series G1 Preferred Stock [Member]	Additional Paid-in Capital [Member] Series G And G1 Preferred Stock [Member]	Additional Paid-in Capital [Member] Series F And F1 Preferred Stock [Member]	Additional Paid-in Capital [Member] Series H Preferred Stock [Member]	Additional Paid-in Capital [Member] Series H-1 Preferred Convertible Stock [Member]	Accumulated Deficit [Member]	Accumulated Deficit [Member] Series F Preferred Stock [Member]	Accumulated Deficit [Member] Series G Preferred Stock [Member]	Accumulated Deficit [Member] Series F1 Preferred Stock [Member]	Accumulated Deficit [Member] Series G1 Preferred Stock [Member]	Accumulated Deficit [Member] Series G And G1 Preferred Stock [Member]	Accumulated Deficit [Member] Series F And F1 Preferred Stock [Member]	Accumulated Deficit [Member] Series H Preferred Stock [Member]	Accumulated Deficit [Member] Series H-1 Preferred Convertible Stock [Member]	Accumulated Other Comprehensive (Loss) Income [Member]	Accumulated Other Comprehensive (Loss) Income [Member] Series F Preferred Stock [Member]	Accumulated Other Comprehensive (Loss) Income [Member] Series G Preferred Stock [Member]	Accumulated Other Comprehensive (Loss) Income [Member] Series F1 Preferred Stock [Member]	Accumulated Other Comprehensive (Loss) Income [Member] Series G1 Preferred Stock [Member]	Accumulated Other Comprehensive (Loss) Income [Member] Series G And G1 Preferred Stock [Member]	Accumulated Other Comprehensive (Loss) Income [Member] Series F And F1 Preferred Stock [Member]	Accumulated Other Comprehensive (Loss) Income [Member] Series H Preferred Stock [Member]	Accumulated Other Comprehensive (Loss) Income [Member] Series H-1 Preferred Convertible Stock [Member]	WPCS Equity (Deficit) [Member]	WPCS Equity (Deficit) [Member] Series F Preferred Stock [Member]	WPCS Equity (Deficit) [Member] Series G Preferred Stock [Member]	WPCS Equity (Deficit) [Member] Series F1 Preferred Stock [Member]	WPCS Equity (Deficit) [Member] Series G1 Preferred Stock [Member]	WPCS Equity (Deficit) [Member] Series G And G1 Preferred Stock [Member]	WPCS Equity (Deficit) [Member] Series F And F1 Preferred Stock [Member]	WPCS Equity (Deficit) [Member] Series H Preferred Stock [Member]	WPCS Equity (Deficit) [Member] Series H-1 Preferred Convertible Stock [Member]	Non-Controlling Interest [Member]	Non-Controlling Interest [Member] Series F Preferred Stock [Member]	Non-Controlling Interest [Member] Series G Preferred Stock [Member]	Non-Controlling Interest [Member] Series F1 Preferred Stock [Member]	Non-Controlling Interest [Member] Series G1 Preferred Stock [Member]	Non-Controlling Interest [Member] Series G And G1 Preferred Stock [Member]	Non-Controlling Interest [Member] Series F And F1 Preferred Stock [Member]	Non-Controlling Interest [Member] Series H Preferred Stock [Member]	Non-Controlling Interest [Member] Series H-1 Preferred Convertible Stock [Member]
Balance at Apr. 30, 2015	$ (139,064)									$ 5,120,697									$ 98									$ 70,380,397									$ (76,550,894)									$ 349,723									$ (699,979)									$ 560,915
Balance (in shares) at Apr. 30, 2015										16,126									982,660
Issuance of Series H-1 preferred stock and warrants for cash	1,575,000									$ 1,575,000									$ 0									0									0									0									1,575,000									0
Issuance of Series H-1 preferred stock and warrants for cash (in shares)										8,532									0
Issuance of warrants with Series H-1 preferred stock	841,405								$ 0									$ (841,405)									$ 0									$ 841,405									$ 0									$ 0									$ 0									$ 0
Beneficial conversion feature of Series H-1 convertible preferred stock									0									(703,770)									0									703,770									0									0									0									0
Deemed dividends related to immediate accretion of beneficial conversion feature of Series H-1 convertible preferred stock									$ 0									$ 703,770									$ 0									$ 0									$ (703,770)									$ 0									$ 0									$ 0
Dividend declared on preferred stock	(3,587,121)					$ (67,274)	$ (144,055)								$ 0	$ 0								$ 0	$ 0								$ 0	$ 0								$ (67,274)	$ (144,055)								$ 0	$ 0								$ (67,274)	$ (144,055)								$ 0	$ 0
Make-whole amount on conversion of preferred F-1 shares	(3,375,792)									$ 0									$ 0									0									(3,375,792)									0									(3,375,792)									0
Convertible Dividend Payable Shares Converted To Other Securities	3,375,792	$ 313,186	$ 129,655	$ 188,640	$ 28,826					$ 0	$ 0	$ 0	$ 0	$ 0					$ 15	$ 1	$ 1	$ 1	$ 0					3,375,777	$ 313,185	$ 129,654	$ 188,639	$ 28,826					0	$ 0	$ 0	$ 0	$ 0					0	$ 0	$ 0	$ 0	$ 0					3,375,792	$ 313,186	$ 129,655	$ 188,640	$ 28,826					0	$ 0	$ 0	$ 0	$ 0
Convertible Dividend Payable Shares Converted To Other Securities (In Shares)										0	0	0	0	0					152,075	13,959	7,022	8,705	1,697
Stock Issued During Period Value Conversion Of Units		$ 0	$ 0	$ 0	$ 0			$ 0			$ (1,589,933)	$ (731,706)	$ (1,142,051)	$ (352,524)			$ (691,768)			$ 24	$ 12	$ 17	$ 6			$ 45			$ 1,589,909	$ 731,694	$ 1,142,034	$ 352,518			$ 691,723			$ 0	$ 0	$ 0	$ 0			$ 0			$ 0	$ 0	$ 0	$ 0			$ 0			$ 0	$ 0	$ 0	$ 0			$ 0			$ 0	$ 0	$ 0	$ 0			$ 0
Stock Issued During Period Value Conversion Of Units (In Shares)											(5,268)	(2,088)	(3,784)	(1,006)			(4,492)		1,217,989	239,454	116,453	172,001	56,108			449,200
Conversion of short term convertible note to Series H preferred stock	1,299,000									$ 1,299,000									$ 0									0									0									0									1,299,000									0
Conversion of short term convertible note to Series H preferred stock (in shares)										8,435									0
Fractional Shares Issued on reverse split	0									$ 0									$ 0									0									0									0									0									0
Fractional Shares Issued on reverse split (in shares)										0									1,315
Other comprehensive loss	(647)									$ 0									$ 0									0									0									(647)									(647)									(431)
Net Income (loss) attributable to noncontrolling interest	16,505									0									0									0									0									0									0									16,505
Net loss attributable to WPCS	108,887									0									0									0									108,887									0									108,887									0
Balance at Jul. 31, 2015	$ 3,308,228									$ 2,645,310									$ 220									$ 80,469,531									$ (80,732,898)									$ 349,076									$ 2,731,239									$ 576,989
Balance (in shares) at Jul. 31, 2015										16,455									2,200,649