Stock-Based Compensation - Allocation of Stock-Based Compensation Expense, ESPP (Details) - 2015 Employee Stock Purchase Plan $ in Thousands |
12 Months Ended |
|---|---|
|
Dec. 31, 2015
USD ($)
| |
| ESPP stock-based compensation expense by statement of operations line item | |
| Stock-based compensation expense | $ 504 |
| Other cost of revenue | |
| ESPP stock-based compensation expense by statement of operations line item | |
| Stock-based compensation expense | 17 |
| Sales and marketing | |
| ESPP stock-based compensation expense by statement of operations line item | |
| Stock-based compensation expense | 177 |
| Research and development | |
| ESPP stock-based compensation expense by statement of operations line item | |
| Stock-based compensation expense | 244 |
| General and administrative | |
| ESPP stock-based compensation expense by statement of operations line item | |
| Stock-based compensation expense | $ 66 |