Deferred Revenue (Details 1) - USD ($)	Jul. 31, 2017	Jul. 31, 2016	Jul. 31, 2015
Deferred Revenue Arrangement [Line Items]
Current portion	$ 253,619	$ 250,000
Long-term portion	2,306,527	2,350,000
Total	2,560,146	2,600,000	$ 5,300,000
Opioid Overdose Reversal Treatment [Member]
Deferred Revenue Arrangement [Line Items]
Current portion	0
Long-term portion	0
Total	0	0	4,300,000
Binge Eating Disorder Treatment [Member]
Deferred Revenue Arrangement [Line Items]
Current portion	253,619
Long-term portion	706,527
Total	960,146	1,000,000	1,000,000
Other Opioid Treatments [Member]
Deferred Revenue Arrangement [Line Items]
Current portion	0
Long-term portion	1,600,000
Total	$ 1,600,000	$ 1,600,000	$ 0

The carrying amount of consideration received or receivable as of the balance sheet date on potential earnings that were not recognized as revenue in conformity with GAAP, and which are expected to be recognized as such within one year or the normal operating cycle, if longer, including sales, license fees, and royalties, but excluding interest income.

The noncurrent portion of deferred revenue amount as of balance sheet date. Deferred revenue is a liability related to a revenue producing activity for which revenue has not yet been recognized, and is not expected to be recognized in the next twelve months. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP.

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