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Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2021

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)
	1,120,000				2.92				2.81

Schedule of employee and director stock option activity and related information

		2021								2020								2019
		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			170,500			$	2.30				246,874			$	2.26				320,875			$	2.59
Changes during the year:
Granted			175,000			$	3.36				45,000			$	2.55				95,000			$	2.13
Exercised			(52,167	)		$	2.29				(84,618	)		$	2.29				(125,195	)		$	2.52
Forfeited			(17,500	)		$	2.44				(36,756	)		$	2.38				(43,806	)		$	3.65
Outstanding - year end			275,833			$	2.40				170,500			$	2.30				246,874			$	2.26
Vested and expected to vest			83,334			$	2.22				95,834			$	2.23				148,498			$	2.41
Exercisable at year end			51,667			$	2.26				48,834			$	2.26				79,372			$	2.38

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				2021				life (years)				2021				(years)
$	2.118				60,833				2.83				31,667				2.83
	2.176				10,000				3.08				3,334				3.08
	2.388				10,000				1.54				10,000				1.54
	2.433				7,500				4.02				-				-
	2.775				20,000				3.96				6,666				3.96
	3.195				20,000				4.14				-				-
	3.251				7,500				4.81				-				-
	3.252				100,000				4.81				-				-
	3.863				30,000				4.75				-				-
$	4.022				10,000				4.67				-				-
	Grand Total				275,833				4.05				51,667				2.90

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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