Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events Reverse Stock Split (Details)

v3.8.0.1
Subsequent Events Reverse Stock Split (Details)
Nov. 01, 2017
shares
Oct. 31, 2017
shares
Sep. 30, 2017
shares
Dec. 31, 2016
shares
Subsequent Event [Line Items]        
Common shares authorized (in shares)     450,000,000 450,000,000
Subsequent Event [Member]        
Subsequent Event [Line Items]        
Reverse stock split, conversion ratio 0.50      
Common shares authorized (in shares) 450,000,000 900,000,000