Stock Options Table Options Outstanding (Details) (Stock Options [Member], USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding Number of Options, Beginning	750,000	1,260,000
Outstanding Number of Options, Granted	1,209,000	14,000
Outstanding Number of Options, Exercised	(5,000)	(154,000)	[1]
Outstanding Number of Options, Expired	(11,000)	(31,000)
Outstanding Number of Options, Forfeited	(186,000)	(339,000)
Outstanding Number of Options, Ending	1,757,000	750,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Outstanding Weighted Average Exercise Price, Beginning	$ 2.90	$ 3.19
Outstanding Weighted Average Exercise Price, Granted	$ 3.20	$ 2.25
Outstanding Weighted Average Exercise Price, Exercised	$ 1.62	$ 1.62	[1]
Outstanding Weighted Average Exercise Price, Expired	$ 7.61	$ 16.29
Outstanding Weighted Average Exercise Price, Forfeited	$ 3.00	$ 3.30
Outstanding Weighted Average Exercise Price, Ending	$ 3.07	$ 2.90
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable [Abstract]
Exercisable Number of Options, Beginning	570,000	848,000
Exercisable Number of Options, Ending	605,000	570,000
Exercisable Weighted Average Exercise Price, Beginning	$ 3.12	$ 3.72
Exercisable Weighted Average Exercise Price, Ending	$ 2.93	$ 3.12
Cashless Exercise of Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding Number of Options, Exercised		(154,000)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable [Abstract]
Common stock issued for cashless exercise of stock options		39,000

[1] Due to cashless exercises, 39,000 common shares were received from the exercise of 154,000 options.