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Note 4 - Exploration and Evaluation Assets (Details Textual) |  |  |  |  |  |  |  |  |  | 3 Months Ended | 6 Months Ended | 12 Months Ended | 24 Months Ended | 36 Months Ended | 48 Months Ended | 62 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 28, 2027 CAD ($) | Jun. 28, 2026 CAD ($) | Jun. 28, 2025 CAD ($) | Jun. 28, 2024 CAD ($) | Jun. 28, 2023 CAD ($) | Jun. 09, 2023 CAD ($) | Jun. 23, 2022 CAD ($) | Aug. 01, 2021 CAD ($) | Jul. 30, 2021 CAD ($) | Sep. 30, 2024 CAD ($) | Sep. 30, 2023 CAD ($) | Sep. 30, 2024 CAD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2023 CAD ($) | Jul. 30, 2025 CAD ($) | Jul. 30, 2024 CAD ($) | Mar. 31, 2024 CAD ($) | Mar. 31, 2024 USD ($) | Jul. 30, 2023 CAD ($) | Mar. 31, 2023 CAD ($) | Jul. 30, 2022 CAD ($) | Jul. 30, 2022 CAD ($) | Jul. 30, 2023 CAD ($) | Jul. 30, 2024 CAD ($) | Jul. 30, 2025 CAD ($) | Jun. 09, 2027 CAD ($) | Sep. 30, 2024 USD ($) | Mar. 31, 2024 USD ($) | Jan. 04, 2024 CAD ($)
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase of exploration and evaluation assets |  |  |  |  |  |  |  |  |  |  |  | $ 159,587 |  | $ 246,828 |  |  | $ 198,829 |  |  |  |  |  |  |  |  |  |  |  |
Increase (decrease) for purchase of evaluation and exploration assets |  |  |  |  |  |  |  |  |  |  |  | 150,000 |  |  |  |  | 235,600 |  |  |  |  |  |  |  |  |  |  |  |
Accrued royalty payments outstanding |  |  |  |  |  |  |  |  |  | $ 372,439 |  | 372,439 |  |  |  |  | 301,967 |  |  |  |  |  |  |  |  |  |  |  |
Transfer agent and filing fees |  |  |  |  |  |  |  |  |  | $ 26,540 | $ 132,745 | 61,303 |  | $ 171,863 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Grass River Property [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase of exploration and evaluation assets |  |  |  |  |  |  |  |  |  |  |  | 130 |  |  |  |  | 1,755 |  |  |  |  |  |  |  |  |  |  |  |
Increase (decrease) for purchase of evaluation and exploration assets |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |
Peg North Property [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase of exploration and evaluation assets |  |  |  | $ 100,000 | $ 100,000 |  | $ 100,000 |  |  |  |  |  |  |  |  |  | 4,245 |  |  |  |  |  |  |  |  |  |  |  |
Proportion of ownership interest in associate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |  |  |  |  |  |
Increase (decrease) for purchase of evaluation and exploration assets |  |  |  | $ 100,000 |  | $ 100,000 | $ 100,000 |  |  |  |  | 0 |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |
Expense arising from exploration for and evaluation of mineral resources |  |  |  |  |  |  |  |  |  |  |  | $ 861,628 |  |  |  |  | 849,406 |  |  |  |  |  |  |  |  |  |  |  |
Net Smelter Royalty Return Percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.00% |  |  |  |  |  |  |  |  |
Number of instruments or interests issued or issuable |  |  |  | 28,818 |  | 13,072 | 10,526 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Option agreement, net smelter royalty percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.00% |  |  |  |  |  |  |  |  |
Option agreement, cash payment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,500,000 |  |  |  |  |  |  |  |  |
Peg North Property [member] | Major purchases of assets [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase of exploration and evaluation assets | $ 150,000 | $ 150,000 | $ 150,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 750,000 |  |  |
Increase (decrease) for purchase of evaluation and exploration assets | $ 150,000 | $ 150,000 | $ 150,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 750,000 |  |  |
Expense arising from exploration for and evaluation of mineral resources |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3,000,000 |  |  |
Ivanhoe Emporia Claims [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase of exploration and evaluation assets |  |  |  |  |  |  |  |  |  |  |  |  | $ 221,055 |  |  |  |  | $ 201,535 |  |  |  |  |  |  |  |  |  |  |
Net Smelter Royalty Return Percentage |  |  |  |  |  |  |  |  |  | 2.00% |  | 2.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.00% |  |
Cash transferred |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 500,000 |  |
Payables for purchase of non-current assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 361,375 |  |
Accrued royalty payments outstanding |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 250,445 | $ 298,465 |
Ivanhoe Emporia Claims [member] | Bottom of range [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Royalty expense |  |  |  |  |  |  |  |  |  |  |  | $ 376,966 | $ 278,945 |  |  |  | 301,967 | $ 222,975 |  |  |  |  |  |  |  |  |  |  |
Jean Lake Property [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase of exploration and evaluation assets |  |  |  |  |  |  |  | $ 25,000 |  |  |  |  |  |  |  | $ 50,000 | 50,000 |  | $ 50,000 |  | $ 50,000 |  |  |  |  |  |  |  |
Proportion of ownership interest in associate |  |  |  |  |  |  |  |  | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (decrease) for purchase of evaluation and exploration assets |  |  |  |  |  |  |  | $ 25,000 |  |  |  | 50,000 |  |  |  | $ 50,000 | 50,000 |  | $ 50,000 |  | $ 50,000 |  |  |  |  |  |  |  |
Expense arising from exploration for and evaluation of mineral resources |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 50,000 | $ 100,000 | $ 150,000 |  |  |  |  |
Net Smelter Royalty Return Percentage |  |  |  |  |  |  |  |  | 2.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of instruments or interests issued or issuable |  |  |  |  |  |  |  | 5,000 |  |  |  |  |  |  |  | 12,106 |  |  | 6,128 |  | 6,704 | 6,704 | 6,128 | 12,106 |  |  |  |  |
Option agreement, net smelter royalty percentage |  |  |  |  |  |  |  |  | 1.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Option agreement, cash payment |  |  |  |  |  |  |  |  | $ 1,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Jean Lake Property [member] | Major purchases of assets [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase of exploration and evaluation assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 75,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (decrease) for purchase of evaluation and exploration assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 75,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expense arising from exploration for and evaluation of mineral resources |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 200,000 |  |  |  |
Lac Simard South property [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase of exploration and evaluation assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 41,553 |  |  |  |  |  |  |  |  |  |  |  |
Proportion of ownership interest in associate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100.00% | 100.00% |  |  |  |  |  |  |  |  |  |  |
Increase (decrease) for purchase of evaluation and exploration assets |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  | $ 85,600 |  |  |  |  |  |  |  |  |  |  |  |
Number of instruments or interests issued or issuable |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10,700 |  |  |  |  |  |  |  |  |  |  | 10,700 |
Cash transferred |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 35,000 |  |  |  |  |  |  |  |  |  |  |  |
Equity interests of acquirer |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 85,600 |  |  |  |  |  |  |  |  |  |  |  |
Transfer agent and filing fees |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  | 6,553 |  |  |  |  |  |  |  |  |  |  |  |
Jol Lithium Property [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase of exploration and evaluation assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,276 |  |  |  |  |  |  |  |  |  |  |  |
Proportion of ownership interest in associate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |  |  |  |  |  |
Increase (decrease) for purchase of evaluation and exploration assets |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |
Net Smelter Royalty Return Percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.00% |  |  |  |  |  |  |  |  |
Number of instruments or interests issued or issuable |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 364 |  |  |  |  |  |  |  |  |
Cash transferred |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 8,000 |  |  |  |  |  |  |  |  |
Transfer agent and filing fees |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  | 1,276 |  |  |  |  |  |  |  |  |  |  |  |
Cost of issuance of shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,454 |  |  |  |  |  |  |  |  |
Manitoba Grant [Member] | Jean Lake and Zoro Lithium properties [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Government grant agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 300,000
Proceeds from government grants, classified as financing activities |  |  |  |  |  |  |  |  |  |  |  | $ 200,000 |  |  |  |  | 100,000 |  |  |  |  |  |  |  |  |  |  |  |
Government grant agreement two [member] | Jean Lake and Zoro Lithium properties [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Government grant agreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 300,000 |  |  |  |  |  |  |  |  |
Proceeds from government grants, classified as financing activities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 100,000 |  |  | $ 200,000 |  |  |  |  |  |  |  |  |

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