|
Inventories (Details) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2013
|
Dec. 31, 2012
|
|---|---|---|
| Inventories [Abstract] | ||
| Raw materials and supplies | $ 2,656 | $ 2,733 |
| Work-in-process | 9,819 | 9,813 |
| Finished goods | 2,168 | 2,615 |
| Total inventories | $ 14,643 | $ 15,161 |