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Shareholders' Equity - Stock Option Activity (Details) - Stock option - $ / shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Number of Options Outstanding
Balance at beginning of period (in shares)	218,750	245,000
Exercised (in shares)	(138,750)	(16,250)
Expired/Forfeited (in shares)	(10,000)	(10,000)
Balance at period-end (in shares)	70,000	218,750
Exercisable at period-end (in shares)	70,000	218,750
Weighted average exercise price
Balance at beginning of period (in dollars per share)	$ 5.28	$ 5.27
Exercised (in dollars per share)	5.38	5.25
Expired/Forfeited (in dollars per share)	5.51	5.50
Balance at period-end (in dollars per share)	5.03	5.28
Exercisable at period-end (in dollars per share)	$ 5.03	$ 5.28
Additional disclosures
Weighted average expected remaining term	1 year 18 days

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

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

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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 remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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