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Note 8 - Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2021
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | 2021 |  |  | 2020 |
Weighted average common shares outstanding basic earnings per share |  |  | 6,688,087 |  |  |  | 6,640,272 |
Effect of potential common share issuance: |  |  |  |  |  |  |  |
Dilutive effect of Stock options and unvested shares |  |  | 15,622 |  |  |  | - |
Weighted average common shares outstanding |  |  |  |  |  |  |  |
Diluted earnings per share |  |  | 6,703,709 |  |  |  | 6,640,272 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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