Consolidated Statements of Stockholders' Equity - USD ($)	Total	Common Stock	Additional Paid-In Capital	Accumulated Deficit
Beginning Balance (in shares) at Jul. 31, 2016		1,992,433
Beginning 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 income (loss)	6,580,613			6,580,613
Ending Balance (in shares) at Jul. 31, 2017		2,026,608
Ending Balance at Jul. 31, 2017	4,334,409	$ 2,026	58,937,112	(54,604,729)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock based compensation from issuance of options	1,779,671		1,779,671
Exercise of stock options (in shares)		145,630
Exercise of stock options	0	$ 146	(146)
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 income (loss)	1,379,379			1,379,379
Ending Balance (in shares) at Dec. 31, 2017		2,535,766
Ending Balance at Dec. 31, 2017	13,000,252	$ 2,536	66,223,066	(53,225,350)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock issued for services (in shares)		44,664
Stock issued for services	882,232	$ 45	882,187
Stock Issued During Period, Shares, Issued to Net Profit Partners		160,000
Stock Issued During Period, Value, Issued to Net Profit Partners	1,600,000	$ 160	1,599,840
Stock based compensation from issuance of options	5,760,432		5,760,432
Exercise of stock options (in shares)		50,497
Exercise of stock options	0	$ 50	(50)
Exercise of warrants (in shares)		3,400
Exercise of warrants	34,000	$ 3	33,997
Issuance of common stock for cash, net of issuance costs (in shares)		1,051,034
Issuance of common stock for cash, net of issuance costs	16,777,666	$ 1,052	16,776,614
Net income (loss)	(21,195,316)			(21,195,316)
Ending Balance (in shares) at Dec. 31, 2018		3,845,361
Ending Balance at Dec. 31, 2018	$ 16,859,266	$ 3,846	$ 91,276,086	$ (74,420,666)