Quarterly report pursuant to Section 13 or 15(d)

Earnings per Share (Details Textual)

v3.7.0.1
Earnings per Share (Details Textual) - $ / shares
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2017
Jun. 30, 2017
Dec. 31, 2014
Jul. 31, 2014
Class of Warrant or Right, Number of Securities Called by Warrants or Rights 600,000 600,000   479,800
Class of Warrant or Right, Exercise Price of Warrants or Rights $ 15.00 $ 15.00    
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Preferred Stock 800,000 800,000    
Capital Units [Member]        
Stock Issued During Period, Shares, New Issues     17,100  
Equity Unit Purchase Agreements [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount   5,915    
Warrant [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount   515,310