Consolidated Statements Of Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Paid-In Capital [Member]	Accumulated Deficit [Member]	Total
Balance, value at Dec. 31, 2014	$ 6	$ 55,758	$ (23,595)	$ 32,169
Balance, shares at Dec. 31, 2014	6,084,241
Net loss			(24,721)	(24,721)
Compensation expense related to options issued		12		12
Balance, shares at Dec. 31, 2015	6,084,241
Balance, value at Dec. 31, 2015	$ 6	55,770	(48,316)	7,460
Net loss			(4,199)	(4,199)
Compensation expense related to options issued		3		3
Compensation expense related to stock issued		14		$ 14
Compensation expense related to stock issued, shares	12,641
True up shares due to reverse stock split	841
Balance, shares at Dec. 31, 2016	6,097,723			6,097,723
Balance, value at Dec. 31, 2016	$ 6	55,787	(52,515)	$ 3,278
Net loss			(574)	(574)
Compensation expense related to stock issued		14		14
Compensation expense related to stock issued, shares	23,503
Shares issued for rights offering	$ 5	2,452		$ 2,457
Shares issued for rights offering, shares	4,498,698
Balance, shares at Dec. 31, 2017	10,619,924			10,619,924
Balance, value at Dec. 31, 2017	$ 11	$ 58,253	$ (53,089)	$ 5,175