Stock Options Table Options Outstanding (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	9 Months Ended
	Sep. 30, 2013
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable [Abstract]
Common shares issued from cashless exercise of options	14
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding Number of Options, Beginning	1,857
Outstanding Number of Options, Granted	1,075
Outstanding Number of Options, Exercised	(70)	[1]
Outstanding Number of Options, Expired	(14)
Outstanding Number of Options, Forfeited	(924)
Outstanding Number of Options, Ending	1,924
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Outstanding Weighted Average Exercise Price, Beginning	$ 3.02
Outstanding Weighted Average Exercise Price, Granted	$ 1.84
Outstanding Weighted Average Exercise Price, Exercised	$ 1.61	[1]
Outstanding Weighted Average Exercise Price, Expired	$ 13.56
Outstanding Weighted Average Exercise Price, Forfeited	$ 3.17
Outstanding Weighted Average Exercise Price, Ending	$ 2.27
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable [Abstract]
Exercisable Number of Options, Beginning	605
Exercisable Number of Options, Ending	457
Exercisable Weighted Average Exercise Price, Beginning	$ 2.93
Exercisable Weighted Average Exercise Price, Ending	$ 2.75

[1] 14,000 common shares were issued from the cashless exercise of 70,000 options.