v2.4.0.6
Segment Reporting (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Dec. 31, 2012
Summary of segment information      
Total assets $ 98,363   $ 104,260
Net revenues from external customers 11,651 5,636  
Operating income 3,932 (839)  
Depreciation and amortization expense 670 678  
Income tax expense from continuing operations (66) 35  
Income tax expense from discontinuing operations   (177)  
Interest expense, net 912 701  
Ligand [Member]
      
Summary of segment information      
Total assets 29,793   28,731
Net revenues from external customers 6,237 4,101  
Operating income 1,396 (388)  
Depreciation and amortization expense 59 72  
Income tax expense from continuing operations (66) 35  
Income tax expense from discontinuing operations   (177)  
Interest expense, net 912 701  
CyDex [Member]
      
Summary of segment information      
Total assets 68,570   75,529
Net revenues from external customers 5,414 1,535  
Operating income 2,536 (451)  
Depreciation and amortization expense 611 606  
Income tax expense from continuing operations        
Income tax expense from discontinuing operations   0  
Interest expense, net