Employee Stock Benefit Plans (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		0 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Feb. 26, 2015
Weighted Average Exercise Price [Roll Forward]
Unrecognized compensation cost related to non-vested option grants and stock awards	$ 7,260
Unrecognized compensation cost expected to recognized	3 years 4 months 24 days
Total stock based compensation expense	3,337	1,262
Stock based compensation expense of discontinued operations	2,363
Stock Options [Member]
Number of Options [Roll Forward]
Outstanding (in shares)	1,159,554
Granted (in shares)	0
Exercised (in shares)	0
Cancelled (in shares)	(180,116)
Outstanding (in shares)	979,438
Options exercisable (in shares)	626,138
Weighted Average Exercise Price [Roll Forward]
Outstanding (in dollars per share)	$ 16.23
Granted (in dollars per share)	$ 0
Exercised (in dollars per share)	$ 0
Cancelled (in dollars per share)	$ 15.39
Outstanding (in dollars per share)	$ 16.38
Options exercisable (in dollars per share)	$ 16.23
Restricted Stock [Member] | Employees [Member]
Weighted Average Exercise Price [Roll Forward]
Restricted stock units granted (in shares)			1,495,000
Price of restricted stock (in dollars per share)			$ 0.01
Stock options expiration period			4 years
Aggregate fair value			$ 2,766
Non-Employee Director Stock Option Plan [Member]
Common Stock Options [Abstract]
Authorized shares (in shares)	370,000
Stock reserved for issuance to eligible employees (in shares)	7,000
Shares reserved for future issuance under stock option (in shares)	12,912
One time stock issuance after reverse merger (in shares)	5,000
2005 Equity Plan [Member]
Common Stock Options [Abstract]
Authorized shares (in shares)	6,000,000
Shares reserved for future issuance under stock option (in shares)	966,526
Shares reserved for future issuance under common stock (in shares)	3,071,095