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Discontinued Operations (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Cash used in operating activities of discontinued operations $ (642,000) $ (900,000) $ 0
AVINZA Product Line
     
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Pre-tax gain (loss) from disposal of discontinued operations $ 2,600,000 $ 3,700,000 $ 0