Reverse Stock Split (Details)
Aug. 15, 2017
shares
Aug. 14, 2017
shares
Sep. 30, 2017
shares
Dec. 31, 2016
shares
Reverse stock split        
Stockholders' Equity Note, Stock Split, Conversion Ratio   0.25    
Common stock, shares outstanding   44,623,949 11,156,257 11,156,257
Number of fractional shares issued as result of reverse stock split 0