Consolidated Statements of Stockholders' Deficit (Unaudited) - 9 months ended Sep. 30, 2015 - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Dec. 31, 2014	17,681,274
Balance at Dec. 31, 2014	$ 177	$ 319,604	$ (359,519)	$ (39,738)
Stock-based compensation expense (in shares)	53,751
Stock-based compensation expense	$ 1	922		$ 923
Issuance of shares pursuant to bond conversion (in shares)	126,633			126,633
Issuance of shares pursuant to bond conversion	$ 1	$ 1,006		$ 1,007
Net loss			$ (16,797)	(16,797)
Balance as of September 30, 2015 (in shares) at Sep. 30, 2015	17,861,658
Balance as of September 30, 2015 at Sep. 30, 2015	$ 179	$ 321,532	$ (376,316)	$ (54,605)