Consolidated Statements of Stockholders' Equity (Deficit) - USD ($)	Total	Common Stock	Additional Paid-In Capital	Accumulated Deficit
Balance (in shares) at Jul. 31, 2015		1,841,866
Balance at Jul. 31, 2015	$ (8,386,725)	$ 1,842	$ 44,982,519	$ (53,371,086)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock issued upon the exercise of options (in shares)	30,000	15,715
Stock issued upon the exercise of options	$ 0	$ 15	(15)
Stock issued for services (in shares)		134,852
Stock issued for services	1,185,479	$ 135	1,185,344
Stock based compensation from issuance of options	10,310,546		10,310,546
Net (loss) income	(7,814,256)			(7,814,256)
Balance (in shares) at Jul. 31, 2016		1,992,433
Balance at Jul. 31, 2016	(4,704,956)	$ 1,992	56,478,394	(61,185,342)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reconciling adjustment to record shares issued in prior year for the conversion of debt into common stock in relation to 1:100 reverse stock split (in shares)		6,228
Reconciling adjustment to record shares issued in prior year for the conversion of debt into common stock in relation to 1:100 reverse stock split	0	$ 6	(6)
Stock issued for services (in shares)		27,947
Stock issued for services	190,427	$ 28	190,399
Stock based compensation from issuance of options	1,277,139		1,277,139
Stock based compensation from issuance of warrants	229,360		229,360
Forgiveness of related party debt	761,826		761,826
Net (loss) income	6,580,613			6,580,613
Balance (in shares) at Jul. 31, 2017		2,026,608
Balance at Jul. 31, 2017	4,334,409	$ 2,026	58,937,112	(54,604,729)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock issued upon the exercise of options (in shares)		145,630
Stock issued upon the exercise of options	0	$ 146	(146)
Stock based compensation from issuance of options	1,779,671		1,779,671
Exercise of warrants (in shares)		356,790
Exercise of warrants	5,292,876	$ 357	5,292,519
Stock issued as settlement of liability (in shares)		6,738
Stock issued as settlement of liability	213,917	$ 7	213,910
Net (loss) income	1,379,379			1,379,379
Balance (in shares) at Dec. 31, 2017		2,535,766
Balance at Dec. 31, 2017	$ 13,000,252	$ 2,536	$ 66,223,066	$ (53,225,350)