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Consolidated Statements Of Stockholders' Equity (Parentheticals) - shares | 12 Months Ended
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Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Statement of Stockholders' Equity [Abstract] |  |  |
Purchase of Common shares for Treasury | 80,512 |  |
Common shares issued, net shares withheld for taxes | 59,113 | 53,884 | 39,123

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