Note 8 - Stock-based Compensation Expense (Tables)

12 Months Ended

Dec. 31, 2022

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, 2021		13,000		$	1.97
Granted		165,000		$	2.61
Vested		(168,000	)	$	2.57
Outstanding at December 31, 2021		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

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

			Stock-Based
	Awards Issued		Compensation
	and Vested		Expense
Options		—	$	10,000
Options Exercised		3,000		—
Management Bonus Program - vested and issued		11,000		—
Management Bonus Program		—		92,000
Annual RSU Awards		1,000		6,000
Board RSU Awards - other		—		3,000
Executive Compensation		120,000		288,000
		135,000	$	399,000

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, 2020		417,000		$	2.79		1.61	$	2,000
Granted		6,000		$	2.92		7.00	$	—
Exercised		(22,000	)	$	2.65		—	$	—
Forfeited		(334,000	)	$	2.81		—	$	—
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
Exercisable at December 31, 2021		58,000		$	2.72		2.96	$	—
Exercisable at December 31, 2022		38,000		$	2.79		2.38	$	—

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

	2022			2021
Expected life (years)		7.0			7.0
Expected forfeiture rate		0.0	%		0.0	%
Expected volatility		50	%		40	%
Dividend yield		0	%		0	%
Risk-free interest rate		3.3	%		1.2	%

The following summarizes the assumption inputs used for the Company’s Black-Scholes calculation:

Expected life (years): The expected term represents the weighted average period that the Company’s stock options are expected to be outstanding.