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Prepaid Expenses and Other Current Assets (Tables)
12 Months Ended
Jul. 31, 2016
Prepaid Expenses and Other Current Assets [Abstract]  
Schedule of prepaid expenses and other current assets
July 31,
(in thousands)
 2016  2015 
Prepaid marketing $760  $ 
Deposit on inventory purchases (see Note 8)  630    
Other  237   273 
TOTAL PREPAID EXPENSES AND OTHER CURRENT ASSETS $1,627  $273