Note 6 - Stockholders' Equity - Cash Dividends (Details) - USD ($)	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Dividend amount	$ 557,010	$ 92,789
Totals (in dollars per share)	$ 0.12	$ 0.02
Totals	$ 557,010	$ 92,789
O 2026 M1 Dividends [Member]
Dividends declared per share (in dollars per share)	$ 0.1
Dividend amount	$ 464,152
Date dividend date	Mar. 06, 2026
O 2025 Q1 Dividends [Member]
Dividends declared per share (in dollars per share)		$ 0.02
Dividend amount		$ 92,789
Date dividend date		Mar. 28, 2025
O 2026 M2 Dividends [Member]
Dividends declared per share (in dollars per share)	$ 0.02
Dividend amount	$ 92,858
Date dividend date	Mar. 27, 2026