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Basic and Diluted Average Shares (Details Textual) - $ / shares
1 Months Ended 12 Months Ended
Oct. 25, 2016
Dec. 31, 2016
Dec. 31, 2015
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period 5,000,000    
Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price $ 15    
Stock Options [Member]      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount   1,167,000 5,029,000