Quarterly report pursuant to Section 13 or 15(d)

Consolidated Balance Sheets (Parenthetical)

v3.2.0.727
Consolidated Balance Sheets (Parenthetical) - $ / shares
Jun. 30, 2015
Dec. 31, 2014
Statement Of Financial Position [Abstract]    
Class A preferred shares, without par value $ 0 $ 0
Class A preferred shares, shares issued 0 0
Class A preferred shares, shares outstanding 0 0
Common shares, without par value $ 0 $ 0
Common shares, Shares issued 130,184,563 129,365,076
Common shares, Shares outstanding 130,184,563 129,365,076