Quarterly report pursuant to Section 13 or 15(d)

Consolidated Balance Sheets (Parenthetical)

v3.8.0.1
Consolidated Balance Sheets (Parenthetical) - $ / shares
Mar. 31, 2018
Dec. 31, 2017
Common shares, without par value $ 0 $ 0
Common shares, Shares issued 146,599,652 146,531,933
Common shares, Shares outstanding 146,599,652 146,531,933
Preferred Class A    
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