Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2023

Class Of Stock [Line Items]

Schedule of Assumptions for Fair Value of Option Grant

In connection with the stock option grants during 2023 and 2022, the fair value of each option grant was estimated on the date of the grant using the Black-Scholes option pricing model with the following assumptions:

	2023	2022
Risk-free interest rate	4%	2% - 3%
Expected life (years)	7	6
Expected volatility	65%	70%
Expected dividend yield	Zero	Zero

Schedule of Changes in Common Stock Options

The following summarizes the changes in common stock options:

	2023					2022
	Options			Weighted Average Exercise Price		Options			Weighted Average Exercise Price
Outstanding at beginning of year		2,027,350		$	1.38		2,193,288		$	1.23
Granted		470,000		$	2.91		279,500		$	1.62
Exercised		(102,125	)	$	0.86		(339,125	)	$	0.50
Forfeited		(129,875	)	$	1.72		(106,313	)	$	1.79
Outstanding at end of year		2,265,350		$	1.71		2,027,350		$	1.38
Options exercisable at year end		1,275,225		$	1.02		1,023,975		$	0.97
Weighted-average fair value of options granted    during the year				$	2.91				$	1.62

Schedule of Information about All Stock Options Outstanding

The following table summarizes information about all stock options outstanding as of December 31, 2023:

Exercise price	Options Outstanding		Weighted Average Remaining Life (years)		Weighted Average Exercise Price		Number Exercisable		Weighted Average Remaining Life (years)		Weighted Average Exercise Price
$ 0.40 to $ 0.53		446,600		3.2	$	0.45		446,600		3.2	$	0.45
$ 0.70 to $ 0.85		288,125		5.6	$	0.77		280,625		5.6	$	0.77
$ 1.37 to $ 1.90		808,125		7.6	$	1.67		388,000		7.4	$	1.65
$ 2.49 to $ 3.55		722,500		8.5	$	2.91		160,000		7.1	$	2.85
		2,265,350						1,275,225

Other Options Issued [Member]

Class Of Stock [Line Items]

Schedule of Stock Options and Other Stock Options Issued

Other Options	2023		2022
Options outstanding, beginning of year		383,125		404,375
Options issued		—		—
Options exercised		—		(21,250	)
Options forfeited		—		—
Options outstanding, end of year		383,125		383,125

The outstanding options vest over four years at exercise prices ranging from $0.70 to $1.78 per share.

2010 Non-Qualified Stock Option Plan [Member]

Class Of Stock [Line Items]

Schedule of Stock Options and Other Stock Options Issued

2010 Plan	2023			2022
Options outstanding, beginning of year		243,750			331,250
Options granted		—			100,000
Options exercised		(5,000	)		(147,500	)
Options forfeited		—			(40,000	)
Options outstanding, end of year		238,750			243,750

2016 Stock Option Plan [Member]

Class Of Stock [Line Items]

Schedule of Stock Options and Other Stock Options Issued

2016 Plan	2023			2022
Options outstanding, beginning of year		1,255,975			1,457,663
Options granted		—			35,000
Options exercised		(91,750	)		(170,375	)
Options forfeited		(84,375	)		(66,313	)
Options outstanding, end of year		1,079,850			1,255,975

2022 Stock Option Plan [Member]

Class Of Stock [Line Items]

Schedule of Stock Options and Other Stock Options Issued

2022 Plan	2023			2022
Options outstanding, beginning of year		144,500			—
Options granted		470,000			144,500
Options exercised		(5,375	)		—
Options forfeited		(45,500	)		—
Options outstanding, end of year		563,625			144,500