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Share-Based Compensation (Narrative) (Details) | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Feb. 28, 2019 shares | Feb. 28, 2018 executive shares | Dec. 31, 2022 USD ($) shares | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) shares | Feb. 28, 2015 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Options forfeited (in shares) |  |  | 0 |  |  |
Vesting term |  |  | 4 years |  |  |
Intrinsic value of stock options exercised | $ |  |  | $ 29,975 | $ 1,007,175 |  |
Options exercised (in shares) |  |  | 2,500 |  | 0 |
Total fair value of stock options vested | $ |  |  | $ 141,584 | $ 141,584 | $ 141,584 |
2015 Plan |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Number of shares authorized (in shares) |  |  |  |  |  | 4,900,000
Compensation expense not yet recognized | $ |  |  | $ 0 |  |  |
2015 Plan | Options |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Options granted (in shares) |  | 80,000 |  |  |  |
Options forfeited (in shares) | 10,000 |  |  |  |  |
Number of executives | executive |  | 4 |  |  |  |
Vesting term |  |  | 4 years |  |  |
2015 Plan | Common stock |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Number of shares available for issuance (in shares) |  |  | 4,830,000 |  |  |
2005 Plan |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Percentage of stock option exercisable per year |  |  | 25.00% |  |  |
2005 Plan | Options |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Expiration pperiod |  |  | 10 years |  |  |

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- Definition Amount of cost to be recognized for option under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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