Consolidated Balance Sheets (Parenthetical) - $ / shares	Dec. 31, 2015	Dec. 31, 2014
Statement Of Financial Position [Abstract]
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	300,000,000	300,000,000
Common stock, shares issued	16,890,847	10,436,902
Common stock, shares outstanding	16,890,847	10,436,902
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares issued	0	29
Preferred stock, shares outstanding	0	29