Consolidated Balance Sheets (Parenthetical) - $ / shares	Mar. 31, 2017	Dec. 31, 2016
Statement of Financial Position [Abstract]
Series B redeemable convertible preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Series B redeemable convertible preferred stock, shares authorized	0	0
Series B redeemable convertible preferred stock, shares issued	0	0
Series B redeemable convertible preferred stock, shares outstanding	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	67,000,000	67,000,000
Common stock, shares issued	1,648,751	1,648,751
Common stock, shares outstanding	1,648,751	1,648,751