Share-Based Compensation (Summary of Stock Option Activity) (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Options, Outstanding [Roll Forward]
Options, Beginning Balance Outstanding	1,190,570	1,198,390	2,130,440
Options, Granted	116,800	57,000	25,000
Options, Exercised	0	0	(306,900)
Options, Forfeited/canceled	(446,110)	(64,820)	(650,150)
Options, Ending Balance Outstanding	861,260	1,190,570	1,198,390
Options, Exercisable	661,500
Outstanding, Weighted-Average Exercise Price per Share [Roll Forward]
Weighted-Average Exercise Price per Share, Beginning Balance Outstanding	$ 0.33	$ 0.30	$ 0.40
Weighted-Average Exercise Price per Share, Granted	$ 0.24	$ 0.25	$ 0.36
Weighted-Average Exercise Price per Share, Exercised	$ 0.00	$ 0.00	$ 0.15
Weighted-Average Exercise Price per Share, Forfeited/canceled	$ 0.18	$ 0.50	$ 0.63
Weighted-Average Exercise Price per Share, Ending Balance Outstanding	$ 0.40	$ 0.33	$ 0.30
Weighted-Average Exercise Price per Share, Exercisable	$ 0.41
Weighted-Average Remaining Contractual Term, Outstanding	3 years 4 months 24 days
Weighted Average Grant Date Fair Value per Share, Vested stock options	$ 0.47
Weighted-Average Remaining Contractual Term, Exercisable	3 years
Aggregate Intrinsic Value, Outstanding	$ 1,000
Aggregate Intrinsic Value, Exercisable	$ 1,000