Consolidated Balance Sheets (Parenthetical) - $ / shares	Dec. 31, 2015	Dec. 31, 2014	Oct. 31, 2014	Sep. 30, 2014
Consolidated Balance Sheets
Preferred stock, shares authorized	10,000,000	10,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common shares, par value (in dollars per share)	$ 0	$ 0	$ 0	$ 0
Common shares, authorized shares	590,000,000	590,000,000		590,000,000
Common shares, issued shares	64,523,864	51,457,023
Common shares, outstanding shares	64,523,864	51,457,023