Related Party Transactions	12 Months Ended
Related Party Transactions	Dec. 31, 2013
Related Party Transactions [Abstract]
Related Party Transactions	13. Related Party Transactions The Company engages Mark Kroll, a member of the Board of Directors, to provide consulting services. The expenses related to these services were $0.2 million for each of the years ended December 31, 2013, 2012 and 2011. At December 31, 2013 and 2012, the Company had accrued liabilities of approximately $12,000 and $6,000, respectively, related to these services.

The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.

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