SEGMENTED INFORMATION (Tables)

3 Months Ended

Oct. 31, 2017

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment [Table Text Block]

The table below provides a breakdown of the long-term assets by geographic segments:

	October 31, 2017
	United States
Balance Sheet Items	Texas		Arizona		Wyoming		Other States		Canada		Paraguay		Total
Mineral Rights and Properties	$	12,767,622	$	10,994,018	$	25,553,807	$	705,215	$	-	$	14,513,585	$	64,534,247
Property, Plant and Equipment		6,402,159		-		369,847		-		10,022		358,673		7,140,701
Reclamation Deposits		1,690,209		15,000		74,792		-		-		-		1,780,001
Equity-Accounted Investment		-		-		-		-		260,465		-		260,465
Other Long-Term Assets		328,642		-		305,720		-		-		-		634,362
Total Long-Term Assets	$	21,188,632	$	11,009,018	$	26,304,166	$	705,215	$	270,487	$	14,872,258	$	74,349,776

	July 31, 2017
	United States
Balance Sheet Items	Texas		Arizona		Wyoming		Other States		Canada			Paraguay		Total
Mineral Rights and Properties	$	12,780,728	$	10,932,199	$	-	$	705,464		$	-	$	14,513,585	$	38,931,976
Property, Plant and Equipment		6,414,329		-		-		-			11,185		365,668		6,791,182
Reclamation Deposits		1,690,209		15,000		-		819			-		-		1,706,028
Equity-Accounted Investment		-		-		-		-			151,676		-		151,676
Other Long-Term Assets		422,769		-		582,206		-			-		-		1,004,975
Total Long-Term Assets	$	21,308,035	$	10,947,199	$	582,206	$	706,283		$	162,861	$	14,879,253	$	48,585,837

Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Table Text Block]

The tables below provide a breakdown of our operating results by geographic segments for the three months ended October 31, 2017 and 2016. All intercompany transactions have been eliminated.

	Three Months Ended October 31, 2017
	United States
Statement of Operations	Texas		Arizona		Wyoming		Other States		Canada		Paraguay		Total
Costs and Expenses:
Mineral property expenditures	$	716,624	$	23,740	$	723,391	$	20,170	$	-	$	192,775	$	1,676,700
General and administrative		1,453,871		3,389		32,432		1,122		695,927		68,221		2,254,962
Depreciation, amortization and accretion		85,786		-		1,613		249		2,082		605		90,335
Impairment loss on mineral properties		-		-		-		-		-		-		-
Inventory write-down		-		-		-		-		-		-		-
		2,256,281		27,129		757,436		21,541		698,009		261,601		4,021,997
Loss from operations		(2,256,281)		(27,129)		(757,436)		(21,541)		(698,009)		(261,601)		(4,021,997)
Other income (expenses)		(659,980)		(4,767)		781		-		108,789		12,146		(543,031)
Loss before income taxes	$	(2,916,261)	$	(31,896)	$	(756,655)	$	(21,541)	$	(589,220)	$	(249,455)	$	(4,565,028)

	Three Months Ended October 31, 2016
	United States
Statement of Operations	Texas		Arizona		Wyoming		Other States		Canada		Paraguay		Total
Costs and Expenses:
Mineral property expenditures	$	499,284	$	23,761	$	-	$	17,962	$	-	$	349,111	$	890,118
General and administrative		1,657,463		21,643		-		1,067		578,857		23,208		2,282,238
Depreciation, amortization and accretion		148,045		-		-		249		1,977		1,081		151,352
Impairment loss on mineral properties		31,168		8,334		-		103,666		-		-		143,168
Inventory write-down		60,694		-		-		-		-		-		60,694
		2,396,654		53,738		-		122,944		580,834		373,400		3,527,570
Loss from operations		(2,396,654)		(53,738)		-		(122,944)		(580,834)		(373,400)		(3,527,570)
Other income (expenses)		(729,210)		(4,767)		-		-		-		37		(733,940)
Loss before income taxes	$	(3,125,864)	$	(58,505)	$	-	$	(122,944)	$	(580,834)	$	(373,363)	$	(4,261,510)