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Net Income per Common Share | 12 Months Ended
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Dec. 31, 2015
Earnings Per Share [Abstract] |
Net Income per Common Share | Net Income per Common Share Net income per common share is computed based on the weighted average number of common shares outstanding during the period. Diluted net income per common share is computed similarly but includes the effect of the assumed exercise of dilutive stock options and restricted stock under the treasury stock method. The computation of basic and diluted net income per common share is as follows:
| December 31,
| 2015 |  | 2014 |  | 2013
Net income | $ | 12,050,000 |  |  | $ | 9,634,000 |  |  | $ | 6,866,000 |
Weighted average common shares outstanding — basic | 7,583,000 |  |  | 7,508,000 |  |  | 7,220,000 |
Effect of dilutive securities | 40,000 |  |  | 45,000 |  |  | 215,000 |
Weighted average common and potentially issuable common shares outstanding — diluted | 7,623,000 |  |  | 7,553,000 |  |  | 7,435,000 |
Basic net income per common share | $ | 1.59 |  |  | $ | 1.28 |  |  | $ | 0.95 |
Diluted net income per common share | $ | 1.58 |  |  | $ | 1.28 |  |  | $ | 0.92 |
At December 31, 2015, there were no outstanding stock options. At December 31, 2014 and 2013, all unexercised stock options were included in diluted earnings per share.

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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=7655603&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=7655603&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=32703322&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=26872669&loc=d3e20235-122688 + Details
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