Consolidated Balance Sheets (Parenthetical) - $ / shares	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Consolidated Balance Sheets [Abstract]
Common stock, no par value	$ 0	$ 0
Common stock, shares authorized	unlimited	unlimited
Common stock, shares issued	153,255,989	152,896,315
Common stock, shares outstanding	153,255,989	152,896,315