Note 8 - Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2025

Notes Tables

Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

Expected volatility	57.5	%
Expected life (years)	2.5
Risk-free interest rate	3.76	%
Expected dividend yield	1.99	%

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
128,250		3.94	$	3.36	$	124,575		128,250	$	3.36	$	124,575

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

	2025					2024
	Shares			Weighted Average Exercise Price		Shares			Weighted Average Exercise Price
Options outstanding at beginning of period		115,750		$	3.28		119,500		$	3.11
Granted		19,500			4.96		19,250			3.60
Exercised		(2,000	)		3.93		0			0
Expired		(5,000	)		3.90		(23,000	)		2.63
Balance at December 31:		128,250		$	3.36		115,750		$	3.28
Options Exercisable at December 31:		128,250		$	3.36		115,750		$	3.28

Dividends Declared [Table Text Block]

Date Declared	Dividend Declared Per Share		Total Dividend Amount		Date Dividend Paid
February 28, 2025	$	0.02	$	92,789	March 28, 2025
May 5, 2025		0.02		92,790	June 13, 2025
August 8, 2025		0.02		92,830	September 12, 2025
November 7, 2025		0.02		92,831	December 12, 2025
Totals	$	0.08	$	371,240

Date Declared	Dividend Declared Per Share		Total Dividend Amount		Date Dividend Paid
March 14, 2024	$	0.01	$	46,347	April 19, 2024
August 9, 2024		0.01		46,349	September 13, 2024
November 9, 2024		0.01		46,357	December 13, 2024
Totals	$	0.03	$	139,053