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Equity (Tables)

12 Months Ended

Dec. 31, 2022

Stockholders' Equity Note [Abstract]

Schedule of stock option activities

		Year ended December 31, 2022
		Amount of options				Weighted average exercise				Weighted average remaining contractual life (in years)				Aggregate intrinsic value
Outstanding on January 1, 2022			1,835,385				22.27				3.77			$	22,374
Granted			404,500				21.19
Exercised			(21,253	)			10.65
Expired and forfeited			(85,869	)			24.07
Outstanding on December 31, 2022			2,132,763				21.51				3.30				5,531
Vested and expected to vest			2,132,763				21.51				3.30				5,531
Exercisable on December 31, 2022			1,010,513				16.21				1.95			$	4,305

Schedule of options outstanding under stock option plans

																			Weighted
							Weighted												Average
			Options				Average				Weighted				Options				Exercise
			outstanding				remaining				average				Exercisable				price of
			as of				contractual				exercise				as of				Options
Ranges of			December 31,				Term				price				December 31,				Exercisable
exercise price			2022				(Years)				$				2022				$
8				2,000				1.18				8				2,000				8
8.37-10.02				590,097				0.82				9.96				590,097				9.96
10.78-18.77				220,416				4.30				16.49				62,916				11.99
22.54-24.33				423,250				4.42				23.10				141,250				23.69
27.79-31.57				830,000				4.03				29.27				197,500				29.46
33.99				67,000				4.92				33.99				16,750				33.99
				2,132,763				3.30				21.51				1,010,513				16.21

Schedule of restricted stock unit activities

		Amount of options				Weighted Average Grant-Date Fair Value
Unvested on January 1, 2022			203,756				26.46
Granted			7,500				23.24
Vested			(53,948	)			26.32
Expired and forfeited			(18,164	)			24.73
Unvested on December 31, 2022			139,144				26.56

X

- Definition

Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.

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