Note 3 - Summary of Significant Accounting Policies (Details Textual) - USD ($)	3 Months Ended				6 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021
Net Income (Loss) Attributable to Parent, Total	$ 722,042	$ (31,152)	$ 577,164	$ (265,666)	$ 690,890	$ 311,498
Share-Based Payment Arrangement, Expense					22,998	17,196
Shares Based Compensation, Stock Options Unamortized Fair Value					$ 22,997
Share-based Compensation, Weighted Average Remaining Amortization Period (Year)					5 years
Concession Agreement with NYEDC, Required Deposit [Member]
Restricted Cash and Cash Equivalents, Current, Total	$ 425,000		$ 425,000		$ 425,000	$ 425,000