Note 2 - Summary of Significant Accounting Policies - Summary of Fair Value by Balance Sheet Grouping (Details) - USD ($)	Jun. 30, 2026	Dec. 31, 2025
Reported Value Measurement [Member] \| Fair Value, Inputs, Level 1 [Member] \| Money Market Funds [Member]
Cash and Cash Equivalents, Fair Value Disclosure	$ 25,023	$ 25,689
Reported Value Measurement [Member] \| Fair Value, Inputs, Level 3 [Member]
Business Combination, Contingent Consideration, Liability	0	152,049
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 1 [Member] \| Money Market Funds [Member]
Cash and Cash Equivalents, Fair Value Disclosure	25,023	25,689
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 3 [Member]
Business Combination, Contingent Consideration, Liability	$ 0	$ 152,049

Amount of liability recognized arising from contingent consideration in a business combination.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant