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Earnings Per Share Earnings Per Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]        
Net income $ 1,515 $ 882 $ 2,787 $ 1,369
Weighted Average Number of Shares Outstanding, Basic 9,119,907 9,266,071 9,110,062 9,174,816
Incremental Common Shares Attributable to Dilutive Effect of Equity Unit Purchase Agreements 483,775 411,655 450,852 443,356
Diluted weighted average shares outstanding 9,603,682 9,677,726 9,560,914 9,618,172
Earnings Per Share, Basic $ 0.17 $ 0.10 $ 0.31 $ 0.15
Earnings Per Share, Diluted $ 0.16 $ 0.09 $ 0.29 $ 0.14
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements 1,037,978 900,512 1,037,560 971,963
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 74,209 145,459 171,459 130,730