Stock-Based Compensation (Details - Narrative) $ in Millions |
9 Months Ended |
|---|---|
|
Sep. 30, 2016
USD ($)
| |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Option expiration period (in years) | 10 years |
| Vesting period (in years) | 4 years |
| Unrecognized compensation expense | $ 469.6 |
| Recognition period (in years) | 2 years 9 months 18 days |
| ESPP [Member] | |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Maximum Payroll Deduction, Percent | 15.00% |
| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Purchase Period | 6 months |
| Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent | 85.00% |