Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Revenues	$ 108	$ 108	$ 216	$ 183
Costs and expenses:
General and administrative	2,141	2,641	6,291	4,996
Depreciation	72	73	143	146
Total costs and expenses	2,213	2,714	6,434	5,142
Operating loss	(2,105)	(2,606)	(6,218)	(4,959)
Interest expense, net	(7,963)	(3,038)	(11,076)	(7,229)
Loss on extinguishment of debt and debt refinancing	(3,501)		(3,501)	(2,250)
Loss before income taxes	(13,569)	(5,644)	(20,795)	(14,438)
Income tax expense (provision)	1	1	2	2
Net loss and comprehensive loss applicable to common stock	$ (13,570)	$ (5,645)	$ (20,797)	$ (14,440)
Basic and diluted net loss per common share (in dollars per share)	$ (0.60)	$ (0.31)	$ (0.93)	$ (0.81)
Basic and diluted weighted average shares outstanding (in shares)	22,451	17,949	22,275	17,923