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Stock-Based Compensation (Details Narrative)
9 Months Ended
Apr. 30, 2017
shares
Stock Option Plan 2001  
Common stock reserved for future issuance 12,000
Common stock reserved for future awards 4,139
Stock Option Plan 2006  
Common stock reserved for future issuance 135,000
Common stock reserved for future awards 64,485
Stock Options  
Outstanding options 19,639
Outstanding options, weighted average remaining contractual term 1 year 3 months