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Notes Payable (Tables)
 9 Months Ended
Apr. 30, 2013
Notes Payable [Abstract]  
Schedule of borrowings on revolving loan agreement
As of April 30, 2013, borrowings on the revolving loan agreement and China line of credit are as follows:
 
 
Interest Rate
 
April 30, 2013
USD-denominated borrowing on revolving loan agreement
 
1.3000
%
 
$
47,000

USD-denominated borrowing on China line of credit
 
1.1332
%
 
11,658

Notes payable
 
1.2000
%
 
58,658