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Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2022

Stockholders' Equity Note [Abstract]

Schedule of outstanding warrants to shareholders

Outstanding and exercisable warrants				Weighted average exercise price of outstanding warrants				Weighted average Remaining contractual life (years)
	1,245,000				2.78				2.98

Schedule of employee and director stock option activity and related information

		2022								2021								2020
		Number of options				Weighted- average exercise price				Number of options				Weighted average exercise price				Number of options				Weighted- average exercise price
Outstanding - beginning of year			275,833			$	2.40				170,500			$	2.30				246,874			$	2.26
Changes during the year:
Granted			87,500			$	2.25				175,000			$	3.36				45,000			$	2.55
Exercised			(1,000	)		$	2.12				(52,167	)		$	2.29				(84,618	)		$	2.29
Forfeited			(15,000	)		$	2.80				(17,500	)		$	2.44				(36,756	)		$	2.38
Outstanding - year end			347,333			$	2.79				275,833			$	2.40				170,500			$	2.30
Vested and expected to vest			164,166			$	2.61				83,334			$	2.22				95,834			$	2.23
Exercisable at year end			136,499			$	2.71				51,667			$	2.26				48,834			$	2.26

Schedule of options granted to employees and directors

														Weighted average
		Options				Weighted				Options				Remaining
		outstanding				average				exercisable				Contractual
		as of				remaining				as of				life of options
Exercise		December 31,				contractual				December 31,				exercisable
Price		2022				life (years)				2022				(years)
2.118			52,333				1.83				52,333				1.83
2.176			10,000				2.08				6,667				2.08
2.245			87,500				4.96				-				4.96
2.388			7,500				0.54				7,500				0.54
2.433			7,500				3.02				2,500				3.02
2.775			20,000				2.96				13,333				2.96
3.195			20,000				3.14				6,666				3.14
3.251			7,500				3.81				2,500				3.81
3.252			100,000				3.81				33,334				3.81
3.863			30,000				3.75				10,000				3.75
4.022			5,000				3.67				1,666				3.67
Grand Total			347,333				3.57				136,499				2.65

X

- Definition

Tabular disclosure of activity for award under share-based payment arrangement. Includes, but is not limited to, outstanding award at beginning and end of year, granted, exercised, forfeited, and weighted-average grant date fair value.

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Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

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Tabular disclosure of warrants or rights issued. Warrants and rights outstanding are derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months. Disclose the title of issue of securities called for by warrants and rights outstanding, the aggregate amount of securities called for by warrants and rights outstanding, the date from which the warrants or rights are exercisable, and the price at which the warrant or right is exercisable.

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