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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Gross number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Number of share options (or share units) exercised during the current period.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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Stock Options and Restricted Stock - Stock Option Plans (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Stock Option Plans
Outstanding at Beginning of Year			1,768,745
Granted			290,000
Exercised			(28,000)
Forfeitures			(12,000)
Outstanding at Period End	2,018,745		2,018,745
Options Exercisable at Period End	1,348,470		1,348,470
Weighted Average Exercise Price
Outstanding at Beginning of Year			$ 7.67
Granted			17.50
Exercised			3.81
Forfeitures			14.77
Outstanding at Period End	$ 9.10		9.10
Options Exercisable at Period End	$ 7.06		$ 7.06
Stock Options
Weighted Average Exercise Price
Compensation expense for stock options	$ 326	$ 234	$ 926	$ 686