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Earnings Per Share - Earnings Per Share (Details) (USD $)
3 Months Ended 12 Months Ended
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2013
Dec. 31, 2012
Earnings Per Share [Abstract]                    
Net income $ 524,000 $ 959,000 $ 2,211,000 $ 309,000 $ 430,000 $ 798,000 $ 2,061,000 $ 260,000 $ 4,002,905 $ 3,549,231
Weighted average shares outstanding                 3,167,764 3,115,574
Effect of dilutive employee stock options                 115,698 16,935
Denominator for dilutive earnings per share                 3,283,461 3,132,510
Basic earnings per share $ 0.16 $ 0.30 $ 0.70 $ 0.10 $ 0.14 $ 0.26 $ 0.66 $ 0.08 $ 1.26 $ 1.14
Dilutive earnings per share $ 0.15 $ 0.29 $ 0.68 $ 0.10 $ 0.13 $ 0.26 $ 0.66 $ 0.08 $ 1.22 $ 1.13