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Notes Payable (Tables)
 3 Months Ended
Oct. 31, 2013
Notes Payable [Abstract]  
Schedule of borrowings on revolving loan agreement
As of October 31, 2013, borrowings on the revolving loan agreement and China line of credit were as follows:
 
 
Interest Rate
 
October 31, 2013
USD-denominated borrowing on revolving loan agreement
 
1.2598
%
 
$
15,000

USD-denominated borrowing on China line of credit
 
1.5298
%
 
11,442

Notes payable
 
1.3766
%
 
$
26,442