|
Property and Equipment (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | |
|---|---|---|
|
Dec. 31, 2013
|
Dec. 31, 2012
|
|
| Property and Equipment [Abstract] | ||
| Machinery and equipment | $ 11,783 | $ 11,657 |
| Furniture fixtures and computer equipment | 4,824 | 4,741 |
| Leasehold improvements | 3,894 | 3,854 |
| Construction in progress | 43 | 119 |
| Property, plant and equipment, gross | 20,544 | 20,371 |
| Accumulated depreciation | (19,603) | (19,174) |
| Property and equipment, net | 941 | 1,197 |
| Depreciation | $ 429 | $ 705 |