CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Derivative Liability, Noncurrent	$ 13,900	$ 14,437
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock liquidation preference (in dollars per share)	$ 0	$ 0
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	45,000,000	45,000,000
Common stock, shares issued	15,018,870	14,992,018
Treasury stock, shares	0	0
Series A Preferred Stock
Preferred stock, shares issued	0	0
Series B Preferred Stock
Preferred stock, shares issued	0	0