Deferred Revenue (Details) - USD ($)	1 Months Ended				12 Months Ended
	Feb. 29, 2016	Sep. 22, 2015	Jul. 28, 2014	Jul. 22, 2014	Jul. 31, 2017	Jul. 31, 2016
Deferred Revenue Arrangement [Line Items]
Balance					$ 2,600,000	$ 5,300,000
Recognized as revenue					(39,854)	(4,800,000)
Investment	$ 1,000,000	$ 1,600,000	$ 111,470	$ 3,000,000
Balance					2,560,146	2,600,000
Potomac Construction Limited [Member]
Deferred Revenue Arrangement [Line Items]
Investment						500,000
Foundation [Member]
Deferred Revenue Arrangement [Line Items]
Investment						1,600,000
Opioid Overdose Reversal Treatment [Member]
Deferred Revenue Arrangement [Line Items]
Balance					0	4,300,000
Recognized as revenue					0	(4,800,000)
Balance					0	0
Opioid Overdose Reversal Treatment [Member] | Potomac Construction Limited [Member]
Deferred Revenue Arrangement [Line Items]
Investment						500,000
Binge Eating Disorder Treatment [Member]
Deferred Revenue Arrangement [Line Items]
Balance					1,000,000	1,000,000
Recognized as revenue					(39,854)	0
Balance					960,146	1,000,000
Binge Eating Disorder Treatment [Member] | Potomac Construction Limited [Member]
Deferred Revenue Arrangement [Line Items]
Investment						0
Binge Eating Disorder Treatment [Member] | Foundation [Member]
Deferred Revenue Arrangement [Line Items]
Investment						0
Other Opioid Treatments [Member]
Deferred Revenue Arrangement [Line Items]
Balance					1,600,000	0
Recognized as revenue					0	0
Balance					$ 1,600,000	1,600,000
Other Opioid Treatments [Member] | Potomac Construction Limited [Member]
Deferred Revenue Arrangement [Line Items]
Investment						0
Other Opioid Treatments [Member] | Foundation [Member]
Deferred Revenue Arrangement [Line Items]
Investment						$ 1,600,000