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16. Debt and Lines of Credit (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Total debt $ 328,793 $ 292,345
Debt - current 15,044 7,345
Debt - long term 313,749 285,000
Wells Fargo Credit Facility    
Total debt 15,000 0
MidCap Credit Facility    
Total debt 0 7,345
8.00% Convertible Notes    
Total debt 0 65,000
4.25% Convertible Notes    
Total debt 103,806 0
Treximet Secured Notes    
Total debt $ 209,987 $ 220,000