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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 1) (USD $)
3 Months Ended 6 Months Ended
Oct. 31, 2013
Oct. 31, 2012
Oct. 31, 2013
Oct. 31, 2012
Numerator:        
Net (loss) income attributable to WPCS $ (464,286) $ 465,554 $ (6,326,327) $ 145,038
Denominator:        
Basic weighted average shares outstanding 1,272,877 994,187 1,136,750 994,187
Basic net (loss) income per common share attributable to WPCS $ (0.36) $ 0.47 $ (5.57) $ 0.15