|
Fair Value of Financial Instruments (Details Textual) (Level II [Member], USD $)
In Millions, unless otherwise specified |
Jun. 30, 2012
|
Dec. 31, 2011
|
|---|---|---|
|
Level II [Member]
|
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| Fair Value of Financial Instruments (Textual) [Abstract] | ||
| Severance pay assets | $ 2.7 | $ 2.7 |