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Note 8 - Income Taxes - Deferred Income Taxes (Details) - USD ($)	Dec. 31, 2022	Dec. 31, 2021
Net deferred tax assets	$ 300,050
Net deferred tax liabilities	0	$ (187,664)
Casualty Loss [Member]
Net deferred tax liabilities	(77,714)	(77,714)
Deferred Gain [Member]
Net deferred tax liabilities	(109,950)	$ (109,950)
Net Operating Loss Carryover [Member]
Net deferred tax assets	6,487
Percentage Depletion Carryover [Member]
Net deferred tax assets	22,951
Stock-based Compensation [Member]
Net deferred tax assets	$ 458,276

X

- Definition

Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences with jurisdictional netting.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 45
-Paragraph 6
-URI https://asc.fasb.org/extlink&oid=123427490&loc=d3e31931-109318

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 45
-Paragraph 4
-URI https://asc.fasb.org/extlink&oid=123427490&loc=d3e31917-109318

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X

- Definition

Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319

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