Condensed Consolidated Statement of Stockholders' Deficit (Unaudited) - 9 months ended Sep. 30, 2017 - USD ($) $ in Thousands	Shares Issued to Lenders [Member] Common Stock [Member]	Shares Issued to Lenders [Member] Additional Paid-in Capital [Member]	Shares Issued to Lenders [Member] Retained Earnings [Member]	Shares Issued to Lenders [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Dec. 31, 2016					21,768,864
Balance at Dec. 31, 2016					$ 218	$ 355,336	$ (409,871)	$ (54,317)
Issuance of shares to lenders (in shares)	29,706							29,706
Stock Issued During Period, Value, New Issues		$ 433		$ 433
Issuance of shares pursuant to bond conversion (in shares)					326,163			326,163
Issuance of shares pursuant to bond conversion					$ 3	2,253		$ 2,256
Stock-based compensation expense (in shares)					405,643
Stock-based compensation expense					$ 4	2,122		2,126
Net loss and comprehensive loss							(26,789)	(26,789)
Balance (in shares) at Sep. 30, 2017					22,530,376
Balance at Sep. 30, 2017					$ 225	$ 360,144	$ (436,660)	$ (76,291)