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Earnings Per Common Share (Details Textual)
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 16,750us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 92,250us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount