Segment Reporting (Tables)

6 Months Ended

Jun. 30, 2015

Segment Reporting [Abstract]

Summary of segment information

Segment information is as follows (in thousands):

Balance Sheet Data:	As of June 30, 2015
	Ligand			CyDex			Total
Total assets	$	239,133		$	65,629		$	304,762
	As of December 31, 2014
	Ligand			CyDex			Total
Total assets	$	184,215		$	73,814		$	258,029
Operating Data:	For the three months ended June 30, 2015
	Ligand			CyDex			Total
Net revenues from external customers	$	5,200		$	13,218		$	18,418
Depreciation and amortization expense	$	38		$	597		$	635
Operating (loss) income	$	(4,465	)	$	8,830		$	4,365
Interest expense, net	$	2,969		$	—		$	2,969
Income tax (expense) benefit	$	(254	)	$	(11	)	$	(265	)
	For the three months ended June 30, 2014
	Ligand			CyDex			Total
Net revenues from external customers	$	5,692		$	4,916		$	10,608
Depreciation and amortization expense	$	68		$	601		$	669
Operating (loss) income	$	(867	)	$	2,225		$	1,358
Interest expense, net	$	181		$	—		$	181
Income tax (expense) benefit	$	45		$	2		$	47
	For the six months ended June 30, 2015
	Ligand			CyDex			Total
Net revenues from external customers	$	14,206		$	18,814		$	33,020
Depreciation and amortization expense	$	102		$	1,194		$	1,296
Operating (loss) income	$	(4,007	)	$	11,722		$	7,715
Interest expense, net	$	5,945		$	—		$	5,945
Income tax (expense) benefit	$	(268	)	$	(11	)	$	(279	)
	For the six months ended June 30, 2014
	Ligand			CyDex			Total
Net revenues from external customers	$	12,483		$	14,083		$	26,566
Depreciation and amortization expense	$	134		$	1,203		$	1,337
Operating (loss) income	$	(938	)	$	7,396		$	6,458
Interest expense, net	$	429		$	—		$	429
Income tax (expense) benefit	$	(6	)	$	—		$	(6	)