Stock-Based Compensation (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2013
Shares, Outstanding at December 31, 2012 (in shares)	1,340
Shares, Granted (in shares)	0
Shares, Exercised (in shares)	0
Shares, Forfeited (in shares)	0
Shares, Outstanding at March 31, 2013 (in shares)	1,340
Shares, Exercisable at March 31, 2013 (in shares)	930
Weighted-Average Exercise Price, Outstanding at December 31, 2012 (in dollars per share)	$ 0.02
Weighted-Average Exercise Price, Granted (in dollars per share)	$ 0
Weighted-Average Exercise Price, Exercised (in dollars per share)	$ 0
Weighted-Average Exercise Price, Forfeited (in dollars per share)	$ 0
Weighted-Average Exercise Price, Outstanding at March 31, 2013 (in dollars per share)	$ 0.02
Weighted-Average Exercise Price, Exercisable at March 31, 2013 (in dollars per share)	$ 0.02
Aggregate Intrinsic Value,Outstanding at March 31, 2013	$ 0	$ 0
Aggregate Intrinsic Value, Exercisable at March 31, 2013	$ 0
Weighted-Average Contractual Life Remaining in Years, Outstanding at March 31, 2013	9 years
Weighted-Average Contractual Life Remaining in Years, Exercisable at March 31, 2013	8 years 3 months 18 days