Stockholders' Deficit (Details 1) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Dec. 31, 2013
Summary of stock options outstanding and exercisable
Stock options outstanding, Vested Options	136
Stock options outstanding, Unvested Options	1
Stock options outstanding, Weighted Average Exercise Price	$ 31.75	$ 34.77
Weighted Average Remaining Contractual Life, Outstanding at March 31, 2014	4 years 6 months
Stock Options, Shares exercisable at March 31, 2014	136
Stock Options, Weighted Average Exercise Price Exercisable at March 31, 2014	$ 31.85
1.03 - 49.99
Summary of stock options outstanding and exercisable
Range of Exercise Price, Lower Range	$ 1.03
Range of Exercise Price, Upper Range	$ 49.99
Stock options outstanding, Vested Options	101
Stock options outstanding, Unvested Options	1
Stock options outstanding, Weighted Average Exercise Price	$ 12.41
Weighted Average Remaining Contractual Life, Outstanding at March 31, 2014	5 years 9 months 18 days
Stock Options, Shares exercisable at March 31, 2014	101
Stock Options, Weighted Average Exercise Price Exercisable at March 31, 2014	$ 12.36
50.00 - 99.99
Summary of stock options outstanding and exercisable
Range of Exercise Price, Lower Range	$ 50.00
Range of Exercise Price, Upper Range	$ 99.99
Stock options outstanding, Vested Options	26
Stock options outstanding, Weighted Average Exercise Price	$ 83.35
Weighted Average Remaining Contractual Life, Outstanding at March 31, 2014	10 months 24 days
Stock Options, Shares exercisable at March 31, 2014	26
Stock Options, Weighted Average Exercise Price Exercisable at March 31, 2014	$ 83.35
100.00 - 117.80
Summary of stock options outstanding and exercisable
Range of Exercise Price, Lower Range	$ 100
Range of Exercise Price, Upper Range	$ 118
Stock options outstanding, Vested Options	9
Stock options outstanding, Weighted Average Exercise Price	$ 107.09
Weighted Average Remaining Contractual Life, Outstanding at March 31, 2014	10 months 24 days
Stock Options, Shares exercisable at March 31, 2014	9
Stock Options, Weighted Average Exercise Price Exercisable at March 31, 2014	$ 107.09