Segment and Geographic Information	12 Months Ended
Segment and Geographic Information	Dec. 31, 2016
Segment and Geographic Information
Segment and Geographic Information	18. Segment and Geographic Information Operating segments are defined as components of an enterprise about which separate financial information is available that is evaluated regularly by the chief operating decision maker, in deciding how to allocate resources and assess performance. The Company’s chief operating decision maker is its Chief Executive Officer (“CEO”). The Chief Executive Officer reviews financial information presented on a consolidated basis for purposes of allocating resources and evaluating financial performance. As such, the Company has concluded that its operations constitute one operating and reportable segment. Substantially all assets were held in the United States as of each December 31, 2016 and 2015, and substantially all revenue was generated through sales personnel in the United States for the years ended December 31, 2016, 2015 and 2014.

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

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