Earnings Per Share (Details Textual) - shares
12 Months Ended
Dec. 31, 2015
Dec. 31, 2013
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Shares not considered in computing of diluted earnings per share   5,000
Common stock    
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Shares not considered in computing of diluted earnings per share 193,105