CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Sep. 30, 2015	Dec. 31, 2014
CONSOLIDATED BALANCE SHEETS
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, authorized shares	200,000,000	200,000,000
Common stock, issued shares	97,696,863	97,688,863
Common stock, outstanding shares	97,589,598	97,581,598
Treasury stock, outstanding shares	107,265	107,265