Note 16 - Segmented Information - Operating Results by Geographic Segments (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2022	Jan. 31, 2021
Sales and service revenue	$ 13,190,925	$ 0	$ 13,190,925	$ 0
COST OF SALES AND SERVICES	(9,248,208)	0	(9,248,208)	0
Gross profit	3,942,717	0	3,942,717	0
Mineral Property Expenditures	2,109,173	961,257	3,765,689	1,663,018
General and administrative	3,715,438	2,464,703	6,832,149	5,050,392
Acquisition-related costs	2,644,980	0	2,644,980	0
Depreciation, amortization and accretion	402,980	97,598	501,420	196,778
Loss from operations	(4,929,854)	(3,523,558)	(9,801,521)	(6,910,188)
Other income (expenses)	(545,901)	61,458	2,250,896	(1,516,265)
Loss before income taxes	(5,475,755)	(3,462,100)	(7,550,625)	(8,426,453)
United States Texas [Member]
Sales and service revenue	0		0
COST OF SALES AND SERVICES	0		0
Gross profit	0		0
Mineral Property Expenditures	1,105,249	602,513	2,257,326	1,079,843
General and administrative	2,482,465	1,895,718	5,084,274	4,063,077
Acquisition-related costs	0		0
Depreciation, amortization and accretion	89,655	89,372	179,255	178,744
Loss from operations	(3,677,369)	(2,587,603)	(7,520,855)	(5,321,664)
Other income (expenses)	(1,058,214)	(537,622)	(1,031,385)	(1,417,836)
Loss before income taxes	(4,735,583)	(3,125,225)	(8,552,240)	(6,739,500)
United States Arizona [Member]
Sales and service revenue	0		0
COST OF SALES AND SERVICES	0		0
Gross profit	0		0
Mineral Property Expenditures	28,274	31,452	57,849	62,476
General and administrative	3,720	4,105	7,440	7,825
Acquisition-related costs	0		0
Depreciation, amortization and accretion	0	0	0	0
Loss from operations	(31,994)	(35,557)	(65,289)	(70,301)
Other income (expenses)	(4,768)	(4,768)	(9,535)	(9,535)
Loss before income taxes	(36,762)	(40,325)	(74,824)	(79,836)
United States Wyoming [Member]
Sales and service revenue	44,925		44,925
COST OF SALES AND SERVICES	(37,438)		(37,438)
Gross profit	7,487		7,487
Mineral Property Expenditures	663,117	169,576	862,936	270,066
General and administrative	162,413	20,249	183,808	37,719
Acquisition-related costs	2,644,980		2,644,980
Depreciation, amortization and accretion	308,122	3,719	311,841	7,438
Loss from operations	(3,771,145)	(193,544)	(3,996,078)	(315,223)
Other income (expenses)	(43,394)	(5,766)	(43,194)	(5,566)
Loss before income taxes	(3,814,539)	(199,310)	(4,039,272)	(320,789)
United States Other States [Member]
Sales and service revenue	13,146,000		13,146,000
COST OF SALES AND SERVICES	(9,210,770)		(9,210,770)
Gross profit	3,935,230		3,935,230
Mineral Property Expenditures	16,336	16,336	36,760	36,405
General and administrative	395	345	740	718
Acquisition-related costs	0		0
Depreciation, amortization and accretion	0	0	0	0
Loss from operations	3,918,499	(16,681)	3,897,730	(37,123)
Other income (expenses)	0	0	0	0
Loss before income taxes	3,918,499	(16,681)	3,897,730	(37,123)
CANADA
Sales and service revenue	0		0
COST OF SALES AND SERVICES	0		0
Gross profit	0		0
Mineral Property Expenditures	(11)	4,779	2,960	7,571
General and administrative	1,055,768	533,421	1,535,520	918,629
Acquisition-related costs	0		0
Depreciation, amortization and accretion	3,807	4,972	7,505	9,280
Loss from operations	(1,059,564)	(543,172)	(1,545,985)	(935,480)
Other income (expenses)	559,447	609,666	3,333,179	(88,329)
Loss before income taxes	(500,117)	66,494	1,787,194	(1,023,809)
PARAGUAY
Sales and service revenue	0		0
COST OF SALES AND SERVICES	0		0
Gross profit	0		0
Mineral Property Expenditures	296,208	136,601	547,858	206,657
General and administrative	10,677	10,865	20,367	22,424
Acquisition-related costs	0		0
Depreciation, amortization and accretion	1,396	(465)	2,819	1,316
Loss from operations	(308,281)	(147,001)	(571,044)	(230,397)
Other income (expenses)	1,028	(52)	1,831	5,001
Loss before income taxes	$ (307,253)	$ (147,053)	$ (569,213)	$ (225,396)