The Company and Summary of Significant Accounting Policies and Estimates (Details 6) - Convertible Preferred Stock	12 Months Ended
	Dec. 31, 2015 $ / shares
Series A convertible preferred stock
Net Loss per Share Attributable to Common Stockholders
Dividend rates per share (in dollars per share)	$ 0.08
Series B convertible preferred stock
Net Loss per Share Attributable to Common Stockholders
Dividend rates per share (in dollars per share)	0.12
Series C convertible preferred stock
Net Loss per Share Attributable to Common Stockholders
Dividend rates per share (in dollars per share)	0.20
Series D convertible preferred stock
Net Loss per Share Attributable to Common Stockholders
Dividend rates per share (in dollars per share)	0.379
Series E convertible preferred stock
Net Loss per Share Attributable to Common Stockholders
Dividend rates per share (in dollars per share)	0.5326
Series F convertible preferred stock
Net Loss per Share Attributable to Common Stockholders
Dividend rates per share (in dollars per share)	1.056
Series G convertible preferred stock
Net Loss per Share Attributable to Common Stockholders
Dividend rates per share (in dollars per share)	$ 1.168