|
Balance Sheet Components (Details) (USD $)
In Thousands, unless otherwise specified
|
Dec. 31, 2014
|
Dec. 31, 2013
|
| Inventories |
|
|
| Finished goods |
$ 13,324 |
$ 14,061 |
| Component parts |
888 |
1,251 |
| Total inventories |
14,212 |
15,312 |
| Property and equipment, net |
|
|
| Property and equipment, gross |
15,136 |
13,278 |
| Less: accumulated depreciation |
(10,047) |
(9,335) |
| Property and equipment, net |
5,089 |
3,943 |
| Computer equipment and software |
|
|
| Property and equipment, net |
|
|
| Property and equipment, gross |
4,390 |
4,152 |
| Manufacturing tooling and test equipment |
|
|
| Property and equipment, net |
|
|
| Property and equipment, gross |
2,777 |
2,652 |
| Furniture and fixtures |
|
|
| Property and equipment, net |
|
|
| Property and equipment, gross |
2,298 |
2,046 |
| Lab and warehouse equipment |
|
|
| Property and equipment, net |
|
|
| Property and equipment, gross |
2,652 |
2,374 |
| Marketing equipment |
|
|
| Property and equipment, net |
|
|
| Property and equipment, gross |
662 |
604 |
| Leasehold improvements |
|
|
| Property and equipment, net |
|
|
| Property and equipment, gross |
$ 2,357 |
$ 1,450 |