Consolidated Balance Sheets (Parenthetical) - $ / shares	Jun. 30, 2016	Dec. 31, 2015
Common shares, without par value	$ 0	$ 0
Common shares, Shares issued	143,605,552	130,188,775
Common shares, Shares outstanding	143,605,552	130,188,775
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