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Shareholders' Equity (Stock Options Activity Roll-forward) (Details)	12 Months Ended
	Dec. 31, 2022 $ / shares shares
Options Outstanding - Number of Shares
Options outstanding as of December 31, 2021: | shares	354,609
Granted | shares	108,891
Exercised | shares	0
Canceled and forfeited | shares	0
Expired | shares	(63,500)
Options outstanding as of December 31, 2022: | shares	400,000
Options Outstanding - Weighted Average Exercise Price
Options outstanding as of December 31, 2021: | $ / shares	$ 2.52
Granted | $ / shares	1.97
Exercised | $ / shares	0
Canceled and forfeited | $ / shares	0
Expired | $ / shares	2.75
Options outstanding as of December 31, 2022: | $ / shares	$ 2.33

X

- Definition

Weighted average exercise price at which stock options awarded expired in the current period.

+ References

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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

+ References

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-SubTopic 10
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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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