Condensed Consolidated Statement of Stockholders' Deficit (Unaudited) - 6 months ended Jun. 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
Issuance of shares to lenders		$ 433		$ 433
Issuance of shares pursuant to bond conversion (in shares)					285,480			285,480
Issuance of shares pursuant to bond conversion					$ 3	1,991		$ 1,994
Stock-based compensation expense (in shares)					399,072
Stock-based compensation expense					$ 4	2,016		2,020
Net loss and comprehensive loss							(20,797)	(20,797)
Balance as of June 30, 2017 at Jun. 30, 2017					$ 225	$ 359,776	$ (430,668)	$ (70,667)
Balance as of June 30, 2017 (in shares) at Jun. 30, 2017					22,483,122