CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 87,821	$ 101,084
Short-term investments	29,925	108,684
Accounts receivable, net	79,479	71,125
Receivables from collaborative partners	495	562
Inventories	10,436	10,494
Income taxes receivable	6,362	6,358
Prepaid and other current assets	15,705	10,665
Total current assets	230,223	308,972
Marketable securities, long-term	1,184
Property and equipment, net	16,194	14,794
Intangible assets, net	954,920	1,008,994
Deferred tax assets	42,189	22,995
Other assets	1,367	1,494
TOTAL ASSETS	1,246,077	1,357,249
Current liabilities:
Accounts payable	11,310	12,805
Accrued rebates, returns and discounts	117,807	121,058
Accrued liabilities	61,408	62,931
Income taxes payable	6,528
Contingent consideration liability	4,145	3,318
Interest payable	15,782	18,672
Other current liabilities	871	848
Total current liabilities	217,851	219,632
Contingent consideration liability, long-term portion	10,753	11,653
Senior Notes	464,872	563,012
Convertible Notes	244,856	237,313
Other long-term liabilities	10,643	10,584
Shareholders' equity:
Common stock	277,912	264,511
Additional paid-in capital	78,691	78,622
Accumulated deficit	(59,482)	(28,024)
Accumulated other comprehensive loss, net of tax	(19)	(54)
Total shareholders' equity	297,102	315,055
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 1,246,077	$ 1,357,249