Condensed Interim Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($)	Preferred Stock	Common Stock	Common Stock Payable	Additional Paid-In Capital	Accumulated Deficit	Accumulated Other Comprehensive Income	Sub Total	Noncontrolling Interest	Total
Balance at Jul. 31, 2017	$ 4	$ 22,430	$ 2,168,951	$ 368,388,265	$ (445,720,566)	$ 783,150	$ (74,357,766)	$ (5,518,465)	$ (79,876,231)
Balance (in shares) at Jul. 31, 2017	79,590	22,430,121
Net Income (loss)					36,334,098		36,334,098	(385,400)	35,948,698
Investment in subsidiary by noncontrolling interest								327,593
Currency translation adjustment						15,272	15,272		15,272
Balance at Jul. 31, 2018	$ 4	$ 22,430	2,168,951	368,388,265	(409,386,468)	798,422	(38,008,396)	(5,576,272)	(43,584,668)
Balance (in shares) at Jul. 31, 2018	79,590	22,430,121
Net Income (loss)					17,874,003		17,874,003	(88,256)	17,785,747
Investment in subsidiary by noncontrolling interest								91,027	91,027
Issuance of common stock payable		$ 5,997	(1,917,334)	1,911,337
Issuance of common stock payable, shares		5,996,928
Issuance of stock options				103,194			103,194		103,194
Currency translation adjustment						1,626	1,626		1,626
Balance at Oct. 31, 2018	$ 4	$ 28,427	$ 251,617	$ 370,402,796	$ (391,512,465)	$ 800,048	$ (20,029,573)	$ (5,573,501)	$ (25,603,074)
Balance (in shares) at Oct. 31, 2018	79,590	28,427,049