SHAREHOLDERS' EQUITY (Details Textual) (USD $)	0 Months Ended	6 Months Ended				6 Months Ended	1 Months Ended		6 Months Ended	1 Months Ended		6 Months Ended		6 Months Ended				6 Months Ended				6 Months Ended
	Dec. 04, 2012	Oct. 31, 2013	Oct. 31, 2012	Apr. 30, 2013	Oct. 31, 2013 Scenario, Previously Reported [Member]	Oct. 31, 2013 Restatement Adjustment [Member]	Apr. 30, 2006 Special Situations Fund [Member]	Jan. 30, 2006 Special Situations Fund [Member]	Oct. 31, 2013 Special Situations Fund [Member]	Jan. 30, 2006 Minimum [Member] Special Situations Fund [Member]	Jan. 30, 2006 Maximum [Member] Special Situations Fund [Member]	Oct. 31, 2013 Incentive Stock Plan 2007 [Member]	Sep. 30, 2006 Incentive Stock Plan 2007 [Member]	Oct. 31, 2013 Incentive Stock Plan 2007 [Member] Minimum [Member]	Oct. 31, 2013 Incentive Stock Plan 2007 [Member] Maximum [Member]	Oct. 31, 2013 Incentive Stock Plan 2006 [Member]	Sep. 30, 2005 Incentive Stock Plan 2006 [Member]	Oct. 31, 2013 Incentive Stock Plan 2006 [Member] Minimum [Member]	Oct. 31, 2013 Incentive Stock Plan 2006 [Member] Maximum [Member]	Oct. 31, 2013 Stock Option Plan 2002 [Member]	Mar. 31, 2003 Stock Option Plan 2002 [Member]	Oct. 31, 2013 Stock Option Plan 2002 [Member] Minimum [Member]	Oct. 31, 2013 Stock Option Plan 2002 [Member] Maximum [Member]
Common Stock, Capital Shares Reserved for Future Issuance													57,142				57,142				59,523
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period														1 year	3 years			1 year	3 years			1 year	3 years
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Contractual Term												5 years				5 years				5 years
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options												48,563				46,911				14,636
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Exercise Price														$ 2.52	$ 21.98			$ 2.52	$ 4.20			$ 4.20	$ 24.71
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant												6,794				6
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross		1,760	87,857
Stock-based compensation		$ 22,511	$ 103,951
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Stock Options		4,000
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition		7 months
Stock Sold by Former Stockholder in Violation of Securities Exchange Act								20,445
Stock Sold by Former Stockholder in Violation of Securities Exchange Act										$ 64.26	$ 88.34
Stock Purchased by Former Stockholder in Violation of Securities Exchange Act							95,209
Price per Common Stock Purchased by Former Stockholder in Violation of Securities Exchange Act							$ 49.00
Beneficial Ownership of Common Stock									more than 10%
Amount Agreed to be Settled to Company									529,280
Legal Fees	100,000								272,539
Section 16(b) settlement									$ 254,361
Common Stock, Shares Authorized		14,285,714		14,285,714	100,000,000
Stock Issued During Period, Shares, Reverse Stock Splits						14,285,715
Stockholders Equity, Reverse Stock Split		one-for-seven
Common Stock, Shares, Issued		1,308,669		994,187	6,954,766	994,187
Listing Compliance With Nasdaq		In order to maintain the WPCS listing on the NASDAQ Capital Market, on or before June 24, 2013, the Company’s common stock was required to have a minimum closing bid price of $1.00 per share for a minimum of ten prior consecutive trading days, which was achieved.