Note 6 - Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2026

Notes Tables

Dividends Declared [Table Text Block]

Date Declared	Dividend Declared Per Share		Total Dividend Amount		Date Dividend Paid
January 23, 2026	$	0.10	$	464,152	March 6, 2026
February 26, 2026	$	0.02	$	92,858	March 27, 2026
Totals	$	0.12	$	557,010

Date Declared	Dividend Declared Per Share		Total Dividend Amount		Date Dividend Paid
February 28, 2025	$	0.02	$	92,789	March 28, 2025
Totals	$	0.02	$	92,789

Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding and Exercisable [Table Text Block]

Options Outstanding							Options Exercisable
Options Outstanding	Weighted Average Remaining Contractual Life		Weighted Average Exercise Price		Aggregate Intrinsic Value		Options Exercisable		Weighted Average Exercise Price		Aggregate Intrinsic Value
124,500		3.71	$	3.34	$	159,760		124,500	$	3.34	$	159,760

Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block]

	2026					2025
	Shares			Weighted Average Exercise Price		Shares			Weighted Average Exercise Price
Options outstanding at beginning of period		128,250		$	3.36		115,750		$	3.28
Granted		0			0		0			0
Exercised		-			0.00		0			0
Expired		(3,750	)		3.91		(2,000	)		3.96
Balance at March 31:		124,500		$	3.34		113,750		$	3.27
Options Exercisable at March 31:		124,500		$	3.34		113,750		$	3.27