Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2014

Equity [Abstract]

Summary of Common Shares Reserved for Future Issuance

The Company has reserved shares of common stock for possible future issuance as of December 31, 2014 and 2013 as follows (in thousands):

	Shares
	2014	2013
Common stock warrants outstanding	4,118	—
Stock options outstanding under the 2009 Omnibus Incentive Compensation Plan and previous plans	3,065	3,933
Restricted stock units outstanding	1,629	1,108
Future grants of awards under the 2009 Omnibus Incentive Compensation Plan	4,463	3,668
Shares available under the Employee Stock Purchase Plan	1,385	1,500
Total shares of common stock reserved for issuance	14,660	10,209