CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Dec. 31, 2015	Dec. 31, 2014
CONSOLIDATED BALANCE SHEETS [Abstract]
Common stock, par value
Common stock, shares authorized	800,000,000	800,000,000
Common stock, shares issued	578,465,159	461,395,508
Common stock, shares outstanding	578,465,159	461,395,508