CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 101,084	$ 488,668
Short-term investments	108,684	70,773
Accounts receivable, net	71,125	27,008
Receivables from collaborative partners	562	1,070
Inventories	10,494	8,456
Income taxes receivable	6,358	4,030
Deferred tax assets, net		9,601
Prepaid and other current assets	10,665	8,014
Total current assets	308,972	617,620
Marketable securities, long-term		6,961
Property and equipment, net	14,794	7,055
Intangible assets, net	1,008,994	72,361
Deferred tax assets	22,995
Other assets	7,677	7,068
TOTAL ASSETS	1,363,432	711,065
Current liabilities:
Accounts payable	12,805	1,278
Accrued rebates, returns and discounts	121,058	35,710
Accrued liabilities	62,931	15,698
Contingent consideration liability	3,318
Interest payable	18,672	2,683
Other current liabilities	848	2,130
Total current liabilities	219,632	57,499
Contingent consideration liability	11,653	14,252
Senior Notes	563,473
Convertible Notes	243,035	229,891
Deferred tax liabilities, net, non-current		32,589
Other long-term liabilities	$ 10,584	$ 12,387
Commitments
Shareholders' equity:
Preferred stock, no par value, 5,000,000 shares authorized; Series A convertible preferred stock, 25,000 shares designated and zero shares outstanding at December 31, 2015 and December 31, 2014
Common stock, no par value, 200,000,000 shares authorized; 60,787,309 and 59,293,428 shares issued and outstanding at December 31, 2015 and December 31, 2014, respectively	$ 264,511	$ 239,961
Additional paid-in capital	78,622	76,809
Accumulated earnings (deficit)	(28,024)	47,714
Accumulated other comprehensive loss, net of tax	(54)	(37)
Total shareholders' equity	315,055	364,447
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 1,363,432	$ 711,065