Note 16 - Segmented Information - Operating Results by Geographic Segments (Details) - USD ($)	3 Months Ended		9 Months Ended
	Apr. 30, 2022	Apr. 30, 2021	Apr. 30, 2022	Apr. 30, 2021
Sales and service revenue	$ 9,892,310	$ 0	$ 23,083,235	$ 0
COST OF SALES AND SERVICES	(6,554,754)	0	(15,802,962)	0
Gross profit	3,337,556	0	7,280,273	0
Mineral Property Expenditures	2,912,518	1,478,754	6,678,207	3,141,772
General and administrative	2,993,536	3,286,201	9,825,685	8,336,593
Acquisition-related costs	622,297	0	3,267,277	0
Depreciation, amortization and accretion	491,298	98,186	992,718	294,964
Total operating costs	7,019,649	4,863,141	20,763,887	11,773,329
Income (loss) from operations	(3,682,093)	(4,863,141)	(13,483,614)	(11,773,329)
Other income (expenses)	11,025,726	272,043	13,276,622	(1,244,222)
Income (loss) before income taxes	7,343,633	(4,591,098)	(206,992)	(13,017,551)
United States Texas [Member]
Sales and service revenue	0		0
COST OF SALES AND SERVICES	0		0
Gross profit	0		0
Mineral Property Expenditures	1,444,597	1,010,005	3,701,923	2,089,848
General and administrative	1,841,397	2,601,113	6,925,671	6,664,190
Acquisition-related costs	0		0
Depreciation, amortization and accretion	96,446	89,415	275,701	268,159
Total operating costs	3,382,440	3,700,533	10,903,295	9,022,197
Income (loss) from operations	(3,382,440)	(3,700,533)	(10,903,295)	(9,022,197)
Other income (expenses)	(30,601)	(613,705)	(1,061,986)	(2,031,541)
Income (loss) before income taxes	(3,413,041)	(4,314,238)	(11,965,281)	(11,053,738)
United States Arizona [Member]
Sales and service revenue	0		0
COST OF SALES AND SERVICES	0		0
Gross profit	0		0
Mineral Property Expenditures	38,862	30,996	96,711	93,472
General and administrative	3,720	3,720	11,160	11,545
Acquisition-related costs	0		0
Depreciation, amortization and accretion	0	0	0	0
Total operating costs	42,582	34,716	107,871	105,017
Income (loss) from operations	(42,582)	(34,716)	(107,871)	(105,017)
Other income (expenses)	(4,611)	(4,611)	(14,146)	(14,146)
Income (loss) before income taxes	(47,193)	(39,327)	(122,017)	(119,163)
United States Wyoming [Member]
Sales and service revenue	92,310		137,235
COST OF SALES AND SERVICES	(76,924)		(114,362)
Gross profit	15,386		22,873
Mineral Property Expenditures	1,154,402	215,725	2,017,338	485,791
General and administrative	295,310	26,513	479,118	64,232
Acquisition-related costs	622,297		3,267,277
Depreciation, amortization and accretion	389,452	3,719	701,293	11,157
Total operating costs	2,461,461	245,957	6,465,026	561,180
Income (loss) from operations	(2,446,075)	(245,957)	(6,442,153)	(561,180)
Other income (expenses)	(82,088)	(2,770)	(125,282)	(8,336)
Income (loss) before income taxes	(2,528,163)	(248,727)	(6,567,435)	(569,516)
United States Other States [Member]
Sales and service revenue	9,800,000		22,946,000
COST OF SALES AND SERVICES	(6,477,830)		(15,688,600)
Gross profit	3,322,170		7,257,400
Mineral Property Expenditures	18,534	16,335	55,294	52,740
General and administrative	447	230	1,187	948
Acquisition-related costs	0		0
Depreciation, amortization and accretion	0	0	0	0
Total operating costs	18,981	16,565	56,481	53,688
Income (loss) from operations	3,303,189	(16,565)	7,200,919	(53,688)
Other income (expenses)	0	0	0	0
Income (loss) before income taxes	3,303,189	(16,565)	7,200,919	(53,688)
CANADA
Sales and service revenue	0		0
COST OF SALES AND SERVICES	0		0
Gross profit	0		0
Mineral Property Expenditures	(4)	92	2,956	7,663
General and administrative	841,833	645,028	2,377,353	1,563,657
Acquisition-related costs	0		0
Depreciation, amortization and accretion	4,029	3,858	11,534	13,138
Total operating costs	845,858	648,978	2,391,843	1,584,458
Income (loss) from operations	(845,858)	(648,978)	(2,391,843)	(1,584,458)
Other income (expenses)	11,142,028	893,129	14,475,207	804,800
Income (loss) before income taxes	10,296,170	244,151	12,083,364	(779,658)
PARAGUAY
Sales and service revenue	0		0
COST OF SALES AND SERVICES	0		0
Gross profit	0		0
Mineral Property Expenditures	256,127	205,601	803,985	412,258
General and administrative	10,829	9,597	31,196	32,021
Acquisition-related costs	0		0
Depreciation, amortization and accretion	1,371	1,194	4,190	2,510
Total operating costs	268,327	216,392	839,371	446,789
Income (loss) from operations	(268,327)	(216,392)	(839,371)	(446,789)
Other income (expenses)	998	0	2,829	5,001
Income (loss) before income taxes	$ (267,329)	$ (216,392)	$ (836,542)	$ (441,788)