v2.4.0.8
Summary of Significant Accounting Policies (Details) (USD $)
In Millions, except Share data, unless otherwise specified
0 Months Ended
Apr. 02, 2014
Initial Public Offering  
Common stock sold and issued in initial public offering (IPO) (in shares) 8,626,377
Issuance price (in dollars per share) $ 13.00
Net proceeds from IPO, after deducting underwriting discounts and commissions and other offering expenses $ 100.3
Underwriting discounts and commissions 7.8
Offering expenses 4.0
Redeemable convertible preferred stock converted into shares of common stock 23,501,208
Preferred stock warrant liability $ 0.8