Other Current Liabilities (Schedule Of Components Of Other Current Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Other Current Liabilities [Line items]
Other Current Liabilities	$ 17,962	$ 16,023
Salaries And Related Expenses [Member]
Other Current Liabilities [Line items]
Other Current Liabilities	4,086	2,460
Legal And Professional Fees [Member]
Other Current Liabilities [Line items]
Other Current Liabilities	2,776	1,691
Manufacturing And Technology Transfer Services [Member]
Other Current Liabilities [Line items]
Other Current Liabilities	2,577	5,076
Royalties [Member]
Other Current Liabilities [Line items]
Other Current Liabilities	1,783
Returned Product Liability [Member]
Other Current Liabilities [Line items]
Other Current Liabilities	1,087	679
Severance [Member]
Other Current Liabilities [Line items]
Other Current Liabilities	1,006	271
Allowance For Product Returns [Member]
Other Current Liabilities [Line items]
Other Current Liabilities	852	469
Selling And Marketing Expense Accrual [Member]
Other Current Liabilities [Line items]
Other Current Liabilities	721	1,317
Accrued Interest Expense [Member]
Other Current Liabilities [Line items]
Other Current Liabilities		962
Other [Member]
Other Current Liabilities [Line items]
Other Current Liabilities	$ 3,074	$ 3,098