Note 6 - Net (Loss) Per Share - Earnings Per Share Reconciliation (Details) - USD ($)	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Numerator for basic and diluted income (loss) per share, net (loss) available to common shareholders	$ (250,188)	$ 14,833
Denominator:
Common stock (in shares)	19,990,862	20,122,972
Restricted stock awards (in shares)	6,384,900	6,385,900
Weighted average shares used to compute basic earnings per share (in shares)	26,375,762	26,508,872
Effect of dilutive securities (in shares)	0	945,599
Diluted (in shares)	26,375,762	27,454,471
Basic income (loss) per common share: (in dollars per share)	$ (0.01)	$ 0
Diluted income (loss) per common share: (in dollars per share)	$ (0.01)	$ 0