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Earnings Per Common Share (Tables) | 12 Months Ended
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Dec. 31, 2015
Earnings Per Common Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | 2015 |  | 2014 |  | 2013
Numerator for basic and diluted earnings per common share - |  |  |  |  |  |
(Loss) income available to common stockholders: |  |  |  |  |  |
Net (loss) income | $ | (44,445) | $ | 25,656 | $ | 29,290
Denominator: |  |  |  |  |  |
Weighted average shares outstanding |  | 10,254 |  | 10,225 |  | 10,175
Denominator for basic earnings per common share |  | 10,254 |  | 10,225 |  | 10,175
Effect of dilutive securities: |  |  |  |  |  |
Employee stock options |  | - |  | 6 |  | 11
Other stock compensation plans |  | - |  | 101 |  | 74
Dilutive potential common shares |  | - |  | 107 |  | 85
Denominator for diluted earnings per common share - adjusted weighted average shares outstanding and assumed conversions |  | 10,254 |  | 10,332 |  | 10,260
Basic (loss) earnings per common share | $ | (4.33) | $ | 2.51 | $ | 2.88
Diluted (loss) earnings per common share | $ | (4.33) | $ | 2.48 | $ | 2.85
Dividends paid per common share | $ | 0.16 | $ | 0.13 | $ | 0.12

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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/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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