Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Revenues	$ 111	$ 120	$ 327	$ 303
Costs and expenses:
General and administrative	2,456	1,977	8,747	6,973
Depreciation	69	73	212	219
Total costs and expenses	2,525	2,050	8,959	7,192
Operating loss	(2,414)	(1,930)	(8,632)	(6,889)
Interest expense, net	(3,577)	(3,244)	(14,653)	(10,473)
Loss before income taxes	(5,991)	(5,174)	(26,786)	(19,612)
Income tax expense (provision)	1	1	3	3
Net loss and comprehensive loss applicable to common stock	$ (5,992)	$ (5,175)	$ (26,789)	$ (19,615)
Basic and diluted net loss per common share (in dollars per share)	$ (0.26)	$ (0.28)	$ (1.19)	$ (1.07)
Basic and diluted weighted average shares outstanding (in shares)	22,857	18,809	22,471	18,319
Revenues	$ 111	$ 120	$ 327	$ 303
Loss on extinguishment of debt and debt refinancing			$ (3,501)	$ (2,250)