Note 9 - Income Taxes - Summary of Deferred Tax Assets (Details) - USD ($)	Dec. 31, 2024	Dec. 31, 2023
Deferred tax assets:
Net operating loss carryforwards	$ 4,582,000	$ 4,686,000
Depreciation and amortization	1,296,000	1,137,000
Non-cash compensation	1,119,000	1,649,000
Processing losses	188,394	175,673
Other	61,000	124,000
Total	7,369,306	8,169,281
Valuation Allowance	(2,665,954)	(6,267,673)
Deferred tax asset	$ 4,580,440	$ 1,504,000

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
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-Publisher FASB
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Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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