Quarterly report pursuant to Section 13 or 15(d)

Segment Reporting (Details)

v2.4.1.9
Segment Reporting (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Dec. 31, 2014
Summary of segment information      
Total assets $ 263,223us-gaap_Assets   $ 258,029us-gaap_Assets
Net revenues from external customers 14,602us-gaap_Revenues 15,958us-gaap_Revenues  
Depreciation and amortization expense 650us-gaap_DepreciationDepletionAndAmortization 668us-gaap_DepreciationDepletionAndAmortization  
Operating (loss) income 3,349us-gaap_OperatingIncomeLoss 5,100us-gaap_OperatingIncomeLoss  
Interest expense, net 2,973us-gaap_InterestExpense 248us-gaap_InterestExpense  
Income tax expense from continuing operations 15us-gaap_IncomeTaxExpenseBenefit 53us-gaap_IncomeTaxExpenseBenefit  
Ligand      
Summary of segment information      
Total assets 193,081us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= lgnd_LigandMember
  184,215us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= lgnd_LigandMember
Net revenues from external customers 9,006us-gaap_Revenues
/ us-gaap_StatementBusinessSegmentsAxis
= lgnd_LigandMember
6,791us-gaap_Revenues
/ us-gaap_StatementBusinessSegmentsAxis
= lgnd_LigandMember
 
Depreciation and amortization expense 53us-gaap_DepreciationDepletionAndAmortization
/ us-gaap_StatementBusinessSegmentsAxis
= lgnd_LigandMember
66us-gaap_DepreciationDepletionAndAmortization
/ us-gaap_StatementBusinessSegmentsAxis
= lgnd_LigandMember
 
Operating (loss) income 458us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= lgnd_LigandMember
(71)us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= lgnd_LigandMember
 
Interest expense, net 2,973us-gaap_InterestExpense
/ us-gaap_StatementBusinessSegmentsAxis
= lgnd_LigandMember
248us-gaap_InterestExpense
/ us-gaap_StatementBusinessSegmentsAxis
= lgnd_LigandMember
 
Income tax expense from continuing operations 14us-gaap_IncomeTaxExpenseBenefit
/ us-gaap_StatementBusinessSegmentsAxis
= lgnd_LigandMember
51us-gaap_IncomeTaxExpenseBenefit
/ us-gaap_StatementBusinessSegmentsAxis
= lgnd_LigandMember
 
CyDex      
Summary of segment information      
Total assets 70,142us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= lgnd_CydexPharmaceuticalsIncMember
  73,814us-gaap_Assets
/ us-gaap_StatementBusinessSegmentsAxis
= lgnd_CydexPharmaceuticalsIncMember
Net revenues from external customers 5,596us-gaap_Revenues
/ us-gaap_StatementBusinessSegmentsAxis
= lgnd_CydexPharmaceuticalsIncMember
9,167us-gaap_Revenues
/ us-gaap_StatementBusinessSegmentsAxis
= lgnd_CydexPharmaceuticalsIncMember
 
Depreciation and amortization expense 597us-gaap_DepreciationDepletionAndAmortization
/ us-gaap_StatementBusinessSegmentsAxis
= lgnd_CydexPharmaceuticalsIncMember
602us-gaap_DepreciationDepletionAndAmortization
/ us-gaap_StatementBusinessSegmentsAxis
= lgnd_CydexPharmaceuticalsIncMember
 
Operating (loss) income 2,891us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= lgnd_CydexPharmaceuticalsIncMember
5,171us-gaap_OperatingIncomeLoss
/ us-gaap_StatementBusinessSegmentsAxis
= lgnd_CydexPharmaceuticalsIncMember
 
Income tax expense from continuing operations $ 1us-gaap_IncomeTaxExpenseBenefit
/ us-gaap_StatementBusinessSegmentsAxis
= lgnd_CydexPharmaceuticalsIncMember
$ 2us-gaap_IncomeTaxExpenseBenefit
/ us-gaap_StatementBusinessSegmentsAxis
= lgnd_CydexPharmaceuticalsIncMember