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Equity Incentive Plan (Details) - Plan 2012 [Member] - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2022 | Dec. 31, 2021
Share Awards [Member] |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Abstract] |  |
Number of shares authorized for issuance (in shares) | 2,000,000 |
Shares available for future grant (in shares) | 910,200 | 935,200
Stock Option [Member] |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Abstract] |  |
Options granted (in shares) | 0 | 0
Options outstanding (in shares) | 0 | 0
Restricted Stock [Member] |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Abstract] |  |
Restricted shares issued (in shares) | 25,000 | 0
Estimated fair value of shares issued | $ 69 |
Restricted Stock [Member] | Minimum [Member] |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Abstract] |  |
Vesting period | 1 year |
Restricted Stock [Member] | Maximum [Member] |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Abstract] |  |
Vesting period | 3 years |

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- Definition Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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