Related Party Transactions	6 Months Ended
Related Party Transactions	Jun. 30, 2015
Related Party Transactions [Abstract]
Related Party Transactions	Related Party Transactions The Company engages Dr. Mark Kroll, a member of the Board of Directors, to provide consulting services. The expenses related to these services were approximately $65,000 and $41,000 for the three months ended June 30, 2015 and 2014, respectively, and $112,000 and $71,000 for the six months ended June 30, 2015 and 2014, respectively. At June 30, 2015 and December 31, 2014, the Company had accrued liabilities of approximately $21,000 and $8,000, respectively, related to these services. Additionally, the Company subscribes to a mobile collaboration software suite co-founded and managed by Bret Taylor, a member of the Board of Directors. The Company licenses the software for approximately $20,000 per quarter, and as of June 30, 2015 had deferred costs related to an annual subscription of approximately $80,000. No such deferred costs were recorded at December 31, 2014.

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.