RELEVANT STOCK OPTION INFORMATION (Details 4) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash received from stock option exercises		$ 197	$ 281
Stock options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value of stock options vested based on grant date fair value		22	21
Intrinsic value of stock options exercised	$ 414	404	883
Cash received from stock option exercises	233	279	396
Share-based Payment Arrangement, Exercise of Option, Tax Benefit	$ 116	$ 114	$ 248

Amount of tax benefit from exercise of option under share-based payment arrangement.

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Amount of cash inflow from exercise of option under share-based payment arrangement.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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