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Earnings Per Share | 3 Months Ended
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Mar. 31, 2018
Earnings Per Share [Abstract] |
Earnings Per Share [Text Block] | Earnings Per Share Basic net income per common share available to common stockholders is calculated as net income less preferred stock dividends divided by the weighted average number of common shares outstanding. Diluted net income per common share available to common stockholders is computed using the weighted average number of common shares outstanding, increased by the assumed conversion of the Company’s convertible preferred stock and the Company’s stock options, unless anti-dilutive. The components of basic and diluted net income per common share available to common stockholders for the three-month period ended March 31, 2018 and 2017 were as follows:
| Three months ended March 31,
| 2018 |  | 2017
Basic Net Income per Common Share |  |  |
Available to Common Stockholders: |  |  |
Net income | $ | 8,390,000 |  |  | $ | 6,264,000 |
Weighted average common shares outstanding | 12,671,017 |  | 12,475,728
Basic earnings per common share | $ | 0.66 |  |  | $ | 0.50 |
Diluted Net Income per Common Share |  |  |
Available to Common Stockholders: |  |  |
Net income applicable to diluted earnings per share | $ | 8,390,000 |  |  | $ | 6,264,000 |
Weighted average common shares outstanding | 12,671,017 |  |  | 12,475,728 |
Dilutive potential common shares: |  |  |
Assumed conversion of stock options | 3,980 |  |  | 9,179 |
Restricted stock awarded | 13,250 |  |  | 836 |
Assumed conversion of preferred stock | — |  |  | — |
Dilutive potential common shares | 17,230 |  |  | 10,015 |
Diluted weighted average common shares outstanding | 12,688,247 |  |  | 12,485,743 |
Diluted earnings per common share | $ | 0.66 |  |  | $ | 0.50 |
There were no shares not considered in computing diluted earnings per share for the three-month periods ended March 31, 2018 and 2017 because they were anti-dilutive.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64863997&loc=d3e1278-109256 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64863997&loc=d3e1252-109256 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=65016374&loc=d3e4984-109258 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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