Stock-Based Compensation (Details) - Summary of Stock Options Activity (USD $) In Thousands, except Share data, unless otherwise specified	6 Months Ended	9 Months Ended
	Dec. 31, 2012	Sep. 30, 2013	Sep. 30, 2012
Summary of Stock Options Activity [Abstract]
Awards outstanding at December 31, 2012	3,251,849
Awards outstanding at December 31, 2012 (in Dollars per share)	$ 2.22
Options granted	1,625,534	1,625,534	2,800,000
Options granted (in Dollars per share)	$ 2.02
Options exercised	(10,000)	10,000	0
Options exercised (in Dollars per share)	$ 1.80
Options cancelled	(111,420)	(111,420)
Options cancelled (in Dollars per share)	$ 2.42
Options expired	(278,700)
Options expired (in Dollars per share)	$ 6.23
Awards outstanding at September 30, 2013		4,477,263
Awards outstanding at September 30, 2013 (in Dollars per share)		$ 1.89
Awards outstanding at September 30, 2013		4 years 335 days
Awards outstanding at September 30, 2013 (in Dollars)		$ 1,164
Awards vested and expected to vest at September 30, 2013		3,982,916
Awards vested and expected to vest at September 30, 2013 (in Dollars per share)		$ 1.89
Awards vested and expected to vest at September 30, 2013		4 years 328 days
Awards vested and expected to vest at September 30, 2013 (in Dollars)		1,054
Awards exercisable at September 30, 2013		1,087,055
Awards exercisable at September 30, 2013 (in Dollars per share)		$ 1.96
Awards exercisable at September 30, 2013		4 years 171 days
Awards exercisable at September 30, 2013 (in Dollars)		$ 326