Balance Sheet Components (PPE) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Property and equipment, net | |||
| Property and equipment, gross | $ 2,245 | $ 1,176 | |
| Less accumulated depreciation | (841) | (621) | |
| Property and equipment, net | 1,404 | 555 | |
| Depreciation expense | 256 | 182 | $ 148 |
| Leasehold improvements | |||
| Property and equipment, net | |||
| Property and equipment, gross | 86 | 69 | |
| Laboratory equipment and toolings | |||
| Property and equipment, net | |||
| Property and equipment, gross | 366 | ||
| Computer equipment | |||
| Property and equipment, net | |||
| Property and equipment, gross | 277 | 138 | |
| Software | |||
| Property and equipment, net | |||
| Property and equipment, gross | 655 | 166 | |
| Office equipment | |||
| Property and equipment, net | |||
| Property and equipment, gross | 137 | 167 | |
| Furniture and fixtures | |||
| Property and equipment, net | |||
| Property and equipment, gross | $ 724 | $ 636 | |