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Note 9 - Earnings (Loss) Per Share (Tables) | 6 Months Ended
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Jun. 30, 2021
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Net income |  |  |  |  |  |  | Per share |
|  | (loss) |  |  | Shares |  |  | amount |
Basic net income per common share for the three months ended June 30, 2021: |  |  |  |  |  |  |  |  |  |  |  |
Income available to common shareholders |  | $ | 43,157 |  |  |  | 11,980,397 |  |  | $ | - |
Effect of dilutive stock options |  |  | - |  |  |  | 684,870 |  |  |  | - |
Diluted net income per common share for the three months ended June 30, 2021 |  | $ | 43,157 |  |  |  | 12,665,267 |  |  | $ | - |
Basic net loss per common share for the three months ended June 30, 2020: |  |  |  |  |  |  |  |  |  |  |  |
Income available to common shareholders |  | $ | (34,620 | ) |  |  | 11,211,760 |  |  | $ | - |
Effect of dilutive stock options |  |  | - |  |  |  | - |  |  |  | - |
Diluted net income per common share for the three months ended June 30, 2020: |  | $ | (34,620 | ) |  |  | 11,211,760 |  |  | $ | - |
|  | Net income |  |  |  |  |  |  | Per share |
|  | (loss) |  |  | Shares |  |  | amount |
Basic net income per common share for the six months ended June 30, 2021: |  |  |  |  |  |  |  |  |  |  |  |
Income available to common shareholders |  | $ | 313,972 |  |  |  | 11,633,464 |  |  | $ | 0.03 |
Effect of dilutive stock options |  |  | - |  |  |  | 671,718 |  |  |  | - |
Diluted net income per common share for the six months ended June 30, 2021 |  | $ | 313,972 |  |  |  | 12,305,182 |  |  | $ | 0.03 |
Basic net loss per common share for the six months ended June 30, 2020: |  |  |  |  |  |  |  |  |  |  |  |
Loss available to common shareholders |  | $ | (160,959 | ) |  |  | 11,211,760 |  |  | $ | (0.01 | )
Effect of dilutive stock options |  |  | - |  |  |  | - |  |  |  | - |
Diluted net loss per common share for the six months ended June 30, 2020 |  | $ | (160,959 | ) |  |  | 11,211,760 |  |  | $ | (0.01 | )

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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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