Note 13 - Debt (Details Textual)				1 Months Ended	5 Months Ended	6 Months Ended		12 Months Ended
	Aug. 02, 2023 oz $ / oz	May 17, 2023 USD ($) oz	Apr. 26, 2022 USD ($) EquivalentShares $ / shares shares	Jul. 31, 2024 USD ($)	Dec. 31, 2024 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Dec. 31, 2026 USD ($)	Dec. 31, 2025 USD ($)	Dec. 31, 2023 USD ($)	Apr. 25, 2022
Debt Disclosure [Line Items]
Proceeds from Issuance of Long-Term Debt						$ 30,000,000	$ 7,647,500
Long-Term Debt						74,598,449				$ 44,679,859
Amortization of Debt Issuance Costs and Discounts						$ 1,491,227	(144,689)
Designated as Hedging Instrument [Member]
Debt Disclosure [Line Items]
Derivative, Nonmonetary Notional Amount, Mass (Ounce) | oz	124,600
Underlying, Derivative Mass (in USD per Ounce) | $ / oz	2,025
Peak Gold, LLC [Member]
Debt Disclosure [Line Items]
Equity Method Investment, Ownership Percentage		30.00%				30.00%
Liquidity loans outstanding						$ 0
Credit Agreement [Member]
Debt Disclosure [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		$ 70,000,000
Derivative, Nonmonetary Notional Amount, Mass (Ounce) | oz		125,000
Debt Instrument, Applicable Margin, Before Project Complete		6.00%
Debt Instrument, Applicable Margin, After Project Complete		5.00%
Debt Instrument, Commitment Fee, Percentage of Applicable Margin		40.00%
Debt Instrument, Unused Borrowing Capacity, Amount						5,000,000
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
Debt Instrument, Unamortized Discount (Premium), Net		2,300,000				2,100,000				2,400,000
Debt Issuance Costs, Net		1,600,000				2,800,000				2,400,000
Long-Term Debt						55,100,000				25,200,000
Debt Instrument, Fair Value Disclosure						60,000,000				$ 30,000,000
Interest Expense, Debt						4,000,000	200,000
Interest Expense, Debt, Excluding Amortization						2,600,000	145,000
Amortization of Debt Issuance Costs and Discounts						$ 1,400,000	17,000
Debt Instrument, Interest Rate, Effective Percentage						11.50%				11.58%
Debt Instrument, Interest Rate, Effective Percentage, Amortization of Discount and Issuance Costs						7.30%				5.60%
Credit Agreement [Member] | Term Loan Facility [Member] | Subsequent Event [Member]
Debt Disclosure [Line Items]
Repayments of Long-Term Debt				$ 2,000,000
Credit Agreement [Member] | Term Loan Facility [Member] | Forecast [Member]
Debt Disclosure [Line Items]
Repayments of Long-Term Debt					$ 5,900,000			$ 9,500,000	$ 42,600,000
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							900,000
Interest Expense, Debt, Excluding Amortization						$ 900,000	0
Amortization of Debt Issuance Costs and Discounts						$ 58,000	$ 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			500,000				500,000
Debt Issuance Costs, Net			$ 200,000
Long-Term Debt						19,500,000				$ 19,500,000
Interest Expense, Debt						$ 1,000,000