CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 187,810	$ 117,709
Short-term investments	6,702	59,711
Accounts receivable, net	67,517	102,056
Receivables from collaborative partners	296	533
Inventories	11,959	13,033
Prepaid and other current assets	12,487	13,162
Total current assets	286,771	306,204
Property and equipment, net	15,107	15,526
Intangible assets, net	876,414	902,149
Other assets	1,432	1,458
Total assets	1,179,724	1,225,337
Current liabilities:
Accounts payable	7,176	14,855
Accrued rebates, returns and discounts	128,565	131,536
Accrued liabilities	49,028	59,398
Income taxes payable	101	59
Current portion of Senior Notes	100,000
Contingent consideration liability, current portion	2,271	4,578
Interest payable	13,484	15,924
Other current liabilities	906	892
Total current liabilities	301,531	227,242
Contingent consideration liability, long-term portion	6,340	10,247
Senior Notes	366,653	466,051
Convertible Notes	256,774	252,725
Other long-term liabilities	18,211	18,284
Shareholders' equity:
Common stock	298,055	291,634
Additional paid-in capital	75,917	75,917
Accumulated deficit	(143,753)	(116,744)
Accumulated other comprehensive loss, net of tax	(4)	(19)
Total shareholders' equity	230,215	250,788
Total liabilities and shareholders' equity	$ 1,179,724	$ 1,225,337