Note 8 - Stockholders' Equity - Computation of Basic and Diluted Earnings Per Share (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Net Operating Loss	$ (140,862)	$ (70,130)	$ (350,501)	$ (207,316)
Weighted average shares outstanding - basic (in shares)	2,191,689	2,191,689	2,191,689	2,191,689
Effect of dilutive potential shares (in shares)	175,000	0	175,000	0
Shares outstanding - diluted (in shares)	2,366,689	2,191,689	2,366,689	2,191,689
Net loss per share - basic (in dollars per share)	$ (0.06)	$ (0.03)	$ (0.16)	$ (0.09)
Net loss per share - diluted (in dollars per share)	$ (0.06)	$ (0.03)	$ (0.15)	$ (0.09)