CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Sep. 30, 2015	Dec. 31, 2014
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, share authorized	5,000	5,000
Preferred stock, share outstanding	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, share authorized	80,000,000	80,000,000
Common stock, share issued	23,290,865	23,092,674
Common stock, share outstanding	23,290,865	23,092,674