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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Textual) (USD $)
Jul. 31, 2014
Apr. 30, 2014
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Contract Receivable Retainage $ 1,073,000 $ 635,000
Security Deposit 766,000 748,000
China Operations [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Accounts Receivable, Net 4,259,000  
Accounts Receivable, Net, Noncurrent $ 178,000