|
Inventories (Details) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2013
|
Dec. 31, 2012
|
|---|---|---|
| Inventory Disclosure [Abstract] | ||
| Purchased parts and materials | $ 2,911 | $ 3,051 |
| Finished goods | 3,628 | 1,986 |
| Total inventory | $ 6,539 | $ 5,037 |