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Equity Incentive Plans (Summary of Stock Option Activity) (Details) - $ / shares | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 | Dec. 31, 2023
Equity Incentive Plans [Abstract] |  |
Outstanding, Beginning Balance - Number of Options | 975,975 |
Options Granted - Number of Options |  |
Options Exercised - Number of Options |  |
Options Forfeited - Number of Options |  |
Options Expired - Number of Options | (80,000) |
Outstanding, Ending Balance - Number of Options | 895,975 | 975,975
Outstanding, Range of Exercise Price, Lower Range Limit (per share) |  | $ 10.55
Outstanding, Range of Exercise Price, Upper Range Limit (per share) |  | 13.68
Options Granted, Exercise Price |  |
Options Forfeited - Exercise Price |  |
Options expired - Exercise prices | 13.32 |
Outstanding Number of Options, Beginning Balance - Weighted Average Exercise Price | 11.89 |
Number of Options Granted - Weighted Average Exercise Price |  |
Number of Options, Exercised - Weighted Average Exercise Price |  |
Number of Options Forfeited - Weighted Average Exercise Price |  |
Number of Options Expired - Weighted Average Exercise Price | 13.32 |
Outstanding Number of Options, Ending Balance - Weighted Average Exercise Price | $ 11.76 | $ 11.89

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- Definition Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(04) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Weighted average price of options that were either forfeited or expired. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(03) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Gross number of share options (or share units) granted during the period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(01) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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