CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (USD $)	3 Months Ended		9 Months Ended
	Jan. 31, 2013	Jan. 31, 2012	Jan. 31, 2013	Jan. 31, 2012
REVENUE	$ 9,515,276	$ 13,122,319	$ 32,901,854	$ 53,493,243
COSTS AND EXPENSES:
Cost of revenue	6,604,565	14,709,969	23,442,850	47,296,559
Selling, general and administrative expenses	2,383,000	3,805,937	8,330,905	10,412,429
Depreciation and amortization	323,275	455,501	1,005,055	1,336,544
Change in fair value of acquisition-related contingent consideration	0	0	0	83,628
Costs and Expenses	9,310,840	18,971,407	32,778,810	59,129,160
OPERATING INCOME (LOSS)	204,436	(5,849,088)	123,044	(5,635,917)
OTHER EXPENSE (INCOME):
Interest expense	874,805	254,647	1,330,055	580,576
Change in fair value of derivative liabilities	702,574	0	702,574	0
Interest income	(2,111)	(27,409)	(18,070)	(59,378)
Loss from continuing operations before income tax (benefit) provision	(1,370,832)	(6,076,326)	(1,891,515)	(6,157,115)
Income tax (benefit) provision	(181,818)	2,606,559	(119,561)	2,664,063
LOSS FROM CONTINUING OPERATIONS	(1,189,014)	(8,682,885)	(1,771,954)	(8,821,178)
Discontinued operations
Income (loss) from operations of discontinued operations, net of tax (benefit) of ($31,913), $1,954,051, $110,518 and $1,837,728, respectively	31,913	(1,599,614)	(695,646)	(2,073,629)
(Loss) gain from disposal	(12,880)	0	1,826,539	(1,027,637)
Income (loss) from discontinued operations	19,033	(1,599,614)	1,130,893	(3,101,266)
CONSOLIDATED NET LOSS	(1,169,981)	(10,282,499)	(641,061)	(11,922,444)
Net income attributable to noncontrolling interest	54,317	36,500	82,922	96,560
NET LOSS ATTRIBUTABLE TO WPCS	$ (1,224,298)	$ (10,318,999)	$ (723,983)	$ (12,019,004)
Basic and diluted net loss per common share attributable to WPCS:
Loss from continuing operations attributable to WPCS	$ (0.18)	$ (1.25)	$ (0.26)	$ (1.28)
Income (loss) from discontinued operations attributable to WPCS	$ 0.00	$ (0.23)	$ 0.16	$ (0.45)
Basic and diluted net loss per common share attributable to WPCS	$ (0.18)	$ (1.48)	$ (0.10)	$ (1.73)
Basic and diluted weighted average number of common shares outstanding	6,954,766	6,954,766	6,954,766	6,954,766