Quarterly report pursuant to Section 13 or 15(d)

Net Loss Per Share - Narrative (Details)

v3.5.0.2
Net Loss Per Share - Narrative (Details) - 1.75% convertible senior notes due 2020 - Convertible debt
Dec. 09, 2015
$ / shares
Debt Instrument [Line Items]  
Interest rate 1.75%
Debt instrument, conversion price (in dollars per share) $ 16.42