Organization and Summary of Significant Accounting Policies (Inventories) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Accounting Policies [Abstract]
Raw Materials	$ 29,064	$ 30,513
Work in Process	13,154	14,664
Finished Goods	30,960	32,758
Total Inventory	$ 73,178	$ 77,935