Note 13 - Debt (Details Textual)						3 Months Ended		6 Months Ended	12 Months Ended
	Apr. 30, 2025 USD ($) oz	Feb. 18, 2025 USD ($) oz	Aug. 02, 2023 oz $ / oz	May 17, 2023 USD ($) oz $ / oz	Apr. 26, 2022 USD ($) EquivalentShares $ / shares shares	Mar. 31, 2025 USD ($) oz	Mar. 31, 2024 USD ($)	Jun. 30, 2027 USD ($)	Dec. 31, 2026 USD ($)	Dec. 31, 2024 USD ($)	Apr. 25, 2022
Debt Disclosure [Line Items]
Proceeds from Issuance of Long-Term Debt						$ 0	$ 12,500,000
Repayments of Long-Term Debt		$ 10,600,000				13,800,000	0
Long-Term Debt						56,051,920				$ 68,969,199
Amortization of Debt Issuance Costs and Discounts						$ 882,721	547,594
Forecast [Member] | Carry Trade [Member]
Debt Disclosure [Line Items]
Payment for settle carry trade	$ 11,000,000
Designated as Hedging Instrument [Member]
Debt Disclosure [Line Items]
Derivative, Nonmonetary Notional Amount, Mass (Ounce) | oz		15,000	124,600	124,600		37,861
Derivative, Nonmonetary Notional Amount Remaining Balance, Mass (Ounce) | oz						86,739
Underlying, Derivative Mass (in USD per Ounce) | $ / oz			2,025	2,025
Designated as Hedging Instrument [Member] | Carry Trade [Member]
Debt Disclosure [Line Items]
Derivative, Nonmonetary Notional Amount, Mass (Ounce) | oz						11,939
Derivative asset						$ 2,196,554
Designated as Hedging Instrument [Member] | Forecast [Member]
Debt Disclosure [Line Items]
Derivative, Nonmonetary Notional Amount, Mass (Ounce) | oz	74,800
Designated as Hedging Instrument [Member] | Forecast [Member] | Carry Trade [Member]
Debt Disclosure [Line Items]
Reduction of derivative nonmonetary notional amount, (Ounce) | oz	11,939
Peak Gold, LLC [Member]
Debt Disclosure [Line Items]
Equity Method Investment, Ownership Percentage				30.00%		30.00%
Credit Agreement [Member]
Debt Disclosure [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity				$ 70,000,000
Debt Instrument, Applicable Margin, Before Project Complete				6.00%
Debt Instrument, Applicable Margin, After Project Complete				5.00%
Debt Instrument, Current Applicable Margin				6.00%
Debt Instrument, Commitment Fee, Percentage of Applicable Margin				40.00%
Debt Instrument, Unused Borrowing Capacity, Amount						$ 0
Debt Instrument, Covenant, Historical Debt Service Coverage Ratio				1.3
Debt Instrument, Covenant, Projected Debt Service Coverage Ratio				1.3
Debt Instrument, Covenant, Loan Life Coverage Ratio				1.4
Debt Instrument, Covenant, Discounted Present Value Cash Flow Coverage Ratio				1.7
Debt Instrument, Covenant, Reserve Tail Ratio				25.00%
Debt Instrument, Covenant, Minimum Cash Balance				$ 2,000,000
Credit Agreement [Member] | Base Rate [Member]
Debt Disclosure [Line Items]
Debt Instrument, Basis Spread on Variable Rate				0.50%
Credit Agreement [Member] | Adjusted Term SOFR [Member]
Debt Disclosure [Line Items]
Debt Instrument, Basis Spread on Variable Rate				1.00%
Credit Agreement [Member] | SOFR Adjustment [Member]
Debt Disclosure [Line Items]
Debt Instrument, Basis Spread on Variable Rate				0.15%
Credit Agreement [Member] | Term Loan Facility [Member]
Debt Disclosure [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity				$ 65,000,000
Proceeds from Issuance of Long-Term Debt				10,000,000		60,000,000
Accrued PLA fee						293,538
Repayments of Long-Term Debt						21,700,000
Outstanding term loan facility						38,300,000
Debt Instrument, Unamortized Discount (Premium), Net				2,300,000		800,000				1,200,000
Debt Issuance Costs, Net				1,600,000		1,100,000				1,500,000
Long-Term Debt						36,400,000				49,400,000
Debt Instrument, Fair Value Disclosure						38,300,000				$ 52,100,000
Interest Expense, Debt						1,900,000	1,600,000
Interest Expense, Debt, Excluding Amortization						1,100,000	1,100,000
Amortization of Debt Issuance Costs and Discounts						$ 800,000	500,000
Debt Instrument, Interest Rate, Effective Percentage						10.24%				11.06%
Debt Instrument, Interest Rate, Effective Percentage, Amortization of Discount and Issuance Costs						8.50%				8.50%
Credit Agreement [Member] | Term Loan Facility [Member] | Forecast [Member]
Debt Disclosure [Line Items]
Repayments of Long-Term Debt								$ 13,600,000	$ 24,700,000
Credit Agreement [Member] | Liquidity Facility [Member]
Debt Disclosure [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity				$ 5,000,000
Unsecured Convertible Debenture [Member]
Debt Disclosure [Line Items]
Interest Expense, Debt							500,000
Interest Expense, Debt, Excluding Amortization						$ 500,000	500,000
Amortization of Debt Issuance Costs and Discounts						$ 100,000	$ 100,000
Debt Instrument, Interest Rate, Effective Percentage						0.60%				0.60%
Debt Instrument, Face Amount					$ 20,000,000
Debt Instrument, Fee Percentage						3.00%
Share Price (in dollars per share) | $ / shares					$ 24.82
Stock Issued During Period, Shares, Debt Establishment Fee (in shares) | shares					24,174
Investor Right Agreement, Ownership Percentage					5.00%
Investor Right Agreement, Maximum Percentage of Shares Transferable without Notifying in Advance					0.50%
Debt Instrument, Interest Rate, Stated Percentage					9.00%	9.00%					8.00%
Debt Instrument, Interest Paid in Cash, Percentage					7.00%
Debt Instrument, Interest Paid in Shares, Percentage					2.00%
Debt Instrument, Convertible, Conversion Price (in dollars per share) | $ / shares					$ 30.5
Debt Instrument, Convertible, Number of Equity Instruments | EquivalentShares					655,738
Debt Instrument, Covenant, Redeemable, Percentage of Par					105.00%
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger					130.00%
Unsecured Convertible Debenture [Member] | Fair Value, Inputs, Level 2 [Member]
Debt Disclosure [Line Items]
Debt Instrument, Fair Value Disclosure						$ 20,000,000				$ 20,000,000
Senior Secured Loan Facility [Member]
Debt Disclosure [Line Items]
Debt Instrument, Unamortized Discount (Premium), Net					$ 600,000	400,000				400,000
Debt Issuance Costs, Net					$ 200,000
Long-Term Debt						19,600,000				$ 19,600,000
Interest Expense, Debt						$ 500,000