Note 8 - Stock-based Compensation Expense (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]

	Restricted Stock Units		Grant Date Weighted- Average Fair Value
Outstanding at January 1, 2022		10,000		$ 2.57
Granted		131,000		$ 2.40
Vested		(132,000)		$ 2.40
Forfeited		(3,000)		$ 2.92
Outstanding at December 31, 2022		6,000		$ 2.33
Granted		146,000		$ 2.97
Vested		(119,000)		$ 2.94
Outstanding at December 31, 2023		33,000		$ 2.88

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

			Stock-Based
	Awards Issued		Compensation
	and Vested		Expense
Options		—	$	34,000
Management Bonus Program - vested and issued		26,000		—
Board RSU Awards - other		—		4,000
Executive Compensation		90,000		351,000
		116,000	$	389,000

Share-Based Payment Arrangement, Option, Activity [Table Text Block]

Options	Number of Options			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (Years)		Aggregate Intrinsic Value
Balance at December 31, 2021		67,000		$	2.72		3.33	$	—
Granted		50,000		$	2.72		7.00	$	—
Exercised		(4,000	)	$	2.29		—	$	—
Forfeited		(18,000	)	$	2.64		—	$	—
Balance at December 31, 2022		95,000		$	2.76		4.83	$	25,000
Granted		70,000		$	2.89		7.00	$	—
Forfeited		(19,000	)	$	2.69		—	$	—
Balance at December 31, 2023		146,000		$	2.83		5.44	$	—
Exercisable at December 31, 2022		38,000		$	2.79		2.38	$	—
Exercisable at December 31, 2023		31,000		$	2.84		3.38	$	—

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

	2023			2022
Expected life (years)		7.0			7.0
Expected forfeiture rate		0.0	%		0.0	%
Expected volatility		50	%		50	%
Dividend yield		0	%		0	%
Risk-free interest rate		3.6	%		3.3	%