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Note 12 - Stockholders' Equity (Details Textual) - USD ($)					12 Months Ended		63 Months Ended
	Nov. 07, 2025	Sep. 30, 2025	Apr. 09, 2024	Jun. 01, 2017	Dec. 31, 2025	Dec. 31, 2024	Apr. 30, 2021
Stock Issued During Period, Shares, New Issues (in shares)							4,553,017
Proceeds from Issuance of Common Stock					$ 349,326	$ 4,648,022	$ 26,714,403
Shares Issued, Price Per Share (in dollars per share)							$ 5.87
Equity Issuable, Maximum Value			$ 20,000,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)					288,260
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)					$ 5.79
Share-Based Payment Arrangement, Expense					$ 295,871	$ 325,551
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount					$ 875,883
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)					1 year 11 months 8 days
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period (in shares)					15,000	0
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share)					$ 3.13	$ 1.84
President and CEO [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)	74,277	75,983
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)	$ 6.1	$ 5.9
The 2017 Stock Option and Incentive Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares)					101,000
The 2017 Stock Option and Incentive Plan [Member] \| Share-Based Payment Arrangement, Option [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Requisite Service Period (Year)					3 years
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year)				10 years
The 2025 Plan [Member]
Common Stock, Capital Shares Reserved for Future Issuance (in shares)	500,000
At The Market [Member]
Stock Issued During Period, Shares, New Issues (in shares)						1,228,227
Proceeds from Issuance of Common Stock					$ 281,446	$ 4,356,188
Equity Issuable, Maximum, Share (in shares)			11,000,000
Professional Fees						152,272
Sales Commissions and Fees					$ 10,489	$ 139,562
Sale of Stock, Number of Shares Issued in Transaction (in shares)					63,230