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Earnings Per Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]        
Net income $ 2,417 $ 1,594 $ 5,204 $ 2,962
Weighted Average Number of Shares Outstanding, Basic 9,139,329 9,198,730 9,119,925 9,182,875
Incremental Common Shares Attributable to Dilutive Effect of Equity Unit Purchase Agreements 476,355 408,914 464,026 433,003
Diluted weighted average shares outstanding 9,615,684 9,607,644 9,583,951 9,615,878
Earnings Per Share, Basic $ 0.26 $ 0.17 $ 0.57 $ 0.32
Earnings Per Share, Diluted $ 0.25 $ 0.17 $ 0.54 $ 0.31
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements 1,061,705 923,424 1,045,697 955,606
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 218,875 276,459 255,375 169,306