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Income Per Common Share | 12 Months Ended
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Dec. 31, 2017
Income Per Common Share [Abstract] |
Income Per Common Share | 1 8. Income Per Common Share ﻿ The following table sets forth the computation of basic and diluted income per common share (in thousands, except per share data): ﻿
﻿ |  |  |  |  |  |  |  |
﻿Basic income per common share | 2017 |  | 2016 |  | 2015
﻿Net income | $ | 3,704 |  | $ | 10,778 |  | $ | 4,005
﻿Net income allocated to participating securities |  | (63) |  |  | (208) |  |  | (87)
﻿Net income allocated to common shareholders | $ | 3,641 |  | $ | 10,570 |  | $ | 3,918
﻿ |  |  |  |  |  |  |  |
﻿Basic weighted-average common shares outstanding |  | 33,008 |  |  | 31,855 |  |  | 27,744
﻿Basic income per common share | $ | 0.11 |  | $ | 0.33 |  | $ | 0.14
﻿ |  |  |  |  |  |  |  |
﻿Diluted income per common share | 2017 |  | 2016 |  | 2015
﻿Net income | $ | 3,704 |  | $ | 10,778 |  | $ | 4,005
﻿Net income allocated to participating securities |  | (61) |  |  | (202) |  |  | (87)
﻿Net income allocated to common shareholders | $ | 3,643 |  | $ | 10,576 |  | $ | 3,918
﻿ |  |  |  |  |  |  |  |
﻿Basic weighted-average common shares outstanding |  | 33,008 |  |  | 31,855 |  |  | 27,744
﻿Effect of dilutive options and awards a |  | 1,155 |  |  | 967 |  |  | 798
﻿Diluted weighted-average common shares outstanding |  | 34,163 |  |  | 32,822 |  |  | 28,542
﻿Diluted income per common share | $ | 0.11 |  | $ | 0.32 |  | $ | 0.14
a We excluded stock options from the calculation of diluted weighted-average common shares outstanding if the per share value, including the sum of (i) the exercise price of the options and (ii) the amount of the compensation cost attributed to future services and not yet recognized, was greater than the average market price of the shares, because the inclusion of these stock options would be antidilutive to income per common share. Accordingly, stock options to purchase 227,000, 1,000, and 710,000 shares for the years ended December 31, 2017, 2016, and 2015, respectively, were excluded from the calculation of diluted weighted-average common shares outstanding.

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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 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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