Statements of Stockholders' Deficit (USD $) In Thousands, except Share data	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Common Stock Held in Treasury [Member]
Beginning Balance at Dec. 31, 2010	$ (82,520)	$ 522	$ 401,853	$ (480,943)	$ (3,952)
Beginning Balance, shares at Dec. 31, 2010		52,178,834			289,732
Net income (loss)	15,051			15,051
Reclassification of derivative liability due to exercise of warrants	349		349
Exercise of warrants	236	2	234
Exercise of warrants, shares		187,500
Equity proceeds from issuance of common stock, net of share issuance expenses	2,036	86	1,950
Equity proceeds from issuance of common stock, net of share issuance expenses, shares		8,600,876
Exercise of options	6		6
Exercise of options, shares	10,000	10,000
Stock based compensation for employees	188		188
Stock based compensation for directors	127		127
Ending Balance at Dec. 31, 2011	(64,527)	610	404,707	(465,892)	(3,952)
Ending Balance, shares at Dec. 31, 2011		60,977,210			289,732
Net income (loss)	(1,928)			(1,928)
Capital contributed from imputed interest	45		45
Exercise of options, shares	0
Stock based compensation for employees	176		176
Stock based compensation for directors	168		168
Ending Balance at Dec. 31, 2012	(66,066)	610	405,096	(467,820)	(3,952)
Ending Balance, shares at Dec. 31, 2012		60,977,210			289,732
Net income (loss)	(20,939)			(20,939)
Exercise of options, shares	0
Stock based compensation for employees	47		47
Stock based compensation for directors	157		157
Ending Balance at Dec. 31, 2013	$ (86,801)	$ 610	$ 405,300	$ (488,759)	$ (3,952)
Ending Balance, shares at Dec. 31, 2013	9,193,376	60,977,210			289,732