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Contingent payment.

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Area of land held.

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Face amount or stated value per share of common stock.

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Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

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Note 17 - Subsequent Events (Details Textual)				6 Months Ended
Note 17 - Subsequent Events (Details Textual)	Aug. 06, 2024 USD ($)	Jul. 10, 2024 USD ($) $ / shares shares	May 01, 2024 USD ($)	Jun. 30, 2024 USD ($) $ / shares	Jun. 30, 2023 USD ($)	Jul. 01, 2024 a	Dec. 31, 2023 $ / shares
Subsequent Event [Line Items]
Common stock, par value per share \| $ / shares				$ 0.01			$ 0.01
Cash consideration				$ 0	$ 719
Subsequent Event [Member] \| Tetlin Village Land [Member]
Subsequent Event [Line Items]
Area of Land (Acre) \| a						5
HighGold Acquisition [Member]
Subsequent Event [Line Items]
Agreement date			May 01, 2024
Outstanding equity interests acquired			100.00%
HighGold Acquisition [Member] \| Common Stock [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Exchange ratio		0.019
Common stock, par value per share \| $ / shares		$ 0.01
Shares issued \| shares		1,698,887
Value of share		$ 33,400,000
HighGold Acquisition [Member] \| Contango Mining Canada Inc. [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Shareholders ownership percentage in combined company		14.10%
HighGold Acquisition [Member] \| Contango Shareholders [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Shareholders ownership percentage		85.90%
Avidian Gold Corp. [Member]
Subsequent Event [Line Items]
Stock purchase agreement date			May 01, 2024
Percentage of Ownership Purchase			100.00%
Initial consideration			$ 2,400,000
Contingent payment			$ 1,000,000
Avidian Gold Corp. [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Acquisition date	Aug. 06, 2024
Total equity value	$ 2,000,000
Shares withheld at closing	250,000
Cash consideration	400,000
Initial purchase price	2,400,000
Avidian Gold Corp. [Member] \| Deposit [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Cash consideration	50,000
Avidian Gold Corp. [Member] \| Due on Settlement of Withholding Contingency [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Shares to be paid upon settlement of withholding contingency	150,000
Avidian Gold Corp. [Member] \| Due on or Before the 6-month Anniversary
Subsequent Event [Line Items]
Cash consideration	$ 200,000