CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)	12 Months Ended
	Apr. 30, 2016	Apr. 30, 2015
Revenue	$ 14,555,102	$ 24,417,686
Costs and expenses:
Cost of revenue	11,570,364	20,559,427
Selling, general and administrative expenses	6,951,637	4,867,056
Depreciation and amortization	64,738	60,207
Costs and expenses	18,586,739	25,486,690
Operating loss	(4,031,637)	(1,069,004)
Other income (expense):
Interest expense	(3,196)	(2,838,739)
Inducement expense	0	(5,492,842)
Income from section 16 settlement	400,000	1,401,516
Gain on forgiveness of other payable to Zurich	0	883,757
Other income	5,284	187,209
Loss from continuing operations before income tax provision	(3,629,549)	(6,928,103)
Income tax provision	1,706	69,679
Loss from continuing operations	(3,631,255)	(6,997,782)
Discontinued operations:
Income (loss) from discontinued operations	27,261	(2,550,113)
Gain from disposal	837,720	798,896
Income (loss) from discontinued operations, net of tax	864,981	(2,106,449)
Consolidated net loss	(2,766,274)	(9,104,231)
Net income (loss) attributable to noncontrolling interest	16,505	(284,210)
Net loss attributable to WPCS	(2,782,779)	(8,820,021)
Dividends declared on preferred stock	(4,742,768)	(2,508,518)
Deemed dividend on convertible preferred stock, due to beneficial conversion feature	(744,499)	0
Net loss attributable to WPCS common shareholders	$ (8,270,046)	$ (11,328,539)
Basic and diluted net loss attributable to WPCS common shareholders:
Loss from continuing operations (in dollars per share)	$ (3.98)	$ (14.13)
Income (loss) from discontinued operations (in dollars per share)	0	(3.37)
Gain from disposal (in dollars per share)	0.37	0.66
Basic and diluted net income from discontinued operations (in dollars per share)	0.37	(2.71)
Basic and diluted net loss per common share attributable to WPCS (in dollars per share)	$ (3.61)	$ (16.84)
Basic and diluted weighted average number of common shares outstanding (in shares)	2,290,050	672,723
BTX Trader LLC [Member]
Discontinued operations:
Gain (loss) from disposal of Seattle Operations	$ 0	$ 19,700
Seattle Inc [Member]
Discontinued operations:
Gain (loss) from disposal of Seattle Operations	$ 0	$ (374,932)