Stockholders' Equity (Details 6) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Restricted stock awards	$ 15	$ 816	$ 175	$ 816
Stock option awards		332	48	(332)
Total compensation expense	1,581	7,394	11,954	7,402
Employee [Member]
Restricted stock awards	9		33	6
Stock option awards	$ 1,547	$ 6,246	$ 11,698	$ 6,248

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-Section 50

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