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CAPITAL STOCK (Details Textual) - USD ($)			1 Months Ended	12 Months Ended
CAPITAL STOCK (Details Textual) - USD ($)	Oct. 03, 2018	Mar. 10, 2016	Jan. 20, 2017	Jul. 31, 2018	Jul. 31, 2017	Jul. 31, 2016	Jul. 31, 2015
Capital Stock [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value				$ 5,158,751
Class of Warrant or Right, Exercise Price of Warrants or Rights		$ 1.20		$ 1.97	$ 1.78	$ 1.65	$ 2.38
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period						0
Share-based Compensation Arrangement By Share Based Payment Award Options Unvested In Period Fair Value1				$ 790,440
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value				$ 4,368,311
Stock Issued During Period, Value, New Issues					$ 19,421,351	$ 8,365,037
Number Of Warrants Issued			9,571,929
Number Of Warrants To Be issued			9,571,934
Class of Warrant or Right, Number of Securities Called by Warrants or Rights		411,997				2,600,000
Share Price		$ 0.81	$ 1.54
Stock Issued During Period Shares Stock Options Exercised in Cash				785,000	102,500	682,167
Stock Issued During Period, Value, Stock Options Exercised				$ 530,050	$ 56,925	$ 225,115
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value				$ 1,049,694	$ 232,205	$ 444,023
Common Stock [Member]
Capital Stock [Line Items]
Stock Issued During Period, Shares, New Issues					17,330,836	12,364,704
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period				1,094,589	264,727	682,167
Stock Issued During Period, Value, New Issues					$ 17,331	$ 12,365
Stock Issued During Period, Value, Stock Options Exercised				$ 1,095	$ 266	$ 682
Employee Stock Option [Member]
Capital Stock [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period				1,365,625	412,134	682,167
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross				4,083,000	672,500	3,033,000
Options Exercised [Member]
Capital Stock [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period				309,590	162,227	0
Options Exercised [Member] \| Employee Stock Option [Member]
Capital Stock [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period				580,624	309,634
Equity Financing [Member]
Capital Stock [Line Items]
Stock Issued During Period, Shares, New Issues			17,330,836
Class of Warrant or Right, Exercise Price of Warrants or Rights			$ 2.00
Stock Issued During Period, Value, New Issues			$ 25,996,254
Shares Issued, Price Per Share			$ 1.50
Over-Allotment Option [Member]
Capital Stock [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights			$ 2.00
Class of Warrant or Right, Number of Securities Called by Warrants or Rights			906,516
2014 Shelf Offering [Member]
Capital Stock [Line Items]
Stock Issued During Period, Shares, New Issues		12,364,704
Class of Warrant or Right, Exercise Price of Warrants or Rights		$ 1.20
Share Price		$ 0.85
Proceeds from Issuance or Sale of Equity		$ 10,510,000
Subsequent Event [Member] \| Equity Financing [Member]
Capital Stock [Line Items]
Stock Issued During Period, Shares, New Issues	12,613,049
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 2.05
Stock Issued During Period, Value, New Issues	$ 20,200,000
Shares Issued, Price Per Share	$ 1.60
Warrant Term	30 months
2018 Stock Incentive Plan [Member]
Capital Stock [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant				6,453,978
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized				$ 1,665,447
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition				1 year 1 month 17 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross				4,083,000	672,500	3,033,000