The Company and Basis of Presentation (Tables) (Initial Public Offering)

12 Months Ended

Dec. 31, 2014

Initial Public Offering

Summary of the Company's capitalization upon closing of its public offering

Total common stock issued as of June 30, 2013	396,414
Conversion of Series A preferred stock into common stock upon closing of IPO	8,244,781
Conversion of Series A-1 preferred stock into common stock upon closing of IPO	966,218
Sales of common stock through IPO	5,000,000
Common stock issued as of July 1, 2013	14,607,413
Issuance of common stock to underwriters due to exercise of over-allotment	750,000
Total common stock issued as of July 11, 2013	15,357,413