|
Summary of Inventories (Details) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2012
|
Dec. 31, 2011
|
|---|---|---|
| Inventory Disclosure [Abstract] | ||
| Finished products | $ 20,382 | $ 18,742 |
| In - process | 9,513 | 8,351 |
| Raw materials | 16,507 | 16,641 |
| Fine and fabricated precious metal in various stages of completion | 9,599 | 8,658 |
| Inventory, before LIFO reserve | 56,001 | 52,392 |
| Inventory reserve | (2,846) | (2,203) |
| Inventory, Net | $ 53,155 | $ 50,189 |