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Computation of Earnings per Share (Detail Textuals) - shares
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
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Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Anti-dilutive common stock share purchase (in shares) 20,834 64,034 54,034 54,034