XML 28 R17.htm IDEA: XBRL DOCUMENT

Related Party Transactions	3 Months Ended
Related Party Transactions	Mar. 31, 2017
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 $53,000 and $20,000 for the three months ended March 31, 2017 and 2016. At March 31, 2017 and December 31, 2016, the Company had liabilities of approximately $8,000 and $12,000, respectively, related to these services. The Company subscribes to a mobile collaboration software suite co-founded and managed by Bret Taylor, a member of the Company's Board of Directors. The cost to license this software is approximately $0.1 million per year, and as of March 31, 2017 and December 31, 2016 the Company had $20,200 and $50,500, respectively, of prepaid costs related to the license subscription.