CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 211,145	$ 244,674
Marketable securities	6,893	27,263
Accounts receivable, net	17,274	11,451
Receivables from collaborative partners	35,635	10,824
Inventories	7,782	10,145
Income taxes receivable	2,373
Deferred tax assets, net	21,468	26,860
Prepaid and other current assets	7,046	5,828
Total current assets	309,616	337,045
Marketable securities, long-term	5,661	4,080
Property and equipment, net	7,731	8,340
Intangible assets, net	77,440	82,521
Deferred tax assets, net, non-current	57,705	76,342
Other assets	327	325
TOTAL ASSETS	458,480	508,653
Current liabilities:
Accounts payable and accrued liabilities	44,274	34,935
Income taxes payable		61,875
Deferred license revenue	3,041	3,041
Liability related to the sale of future royalties and milestones	66,641	56,357
Other current liabilities	649	649
Total current liabilities	114,605	156,857
Deferred license revenue, non-current portion	10,954	12,475
Contingent consideration liability	12,195	11,264
Liability related to the sale of future royalties and milestones, less current portion	128,297	177,624
Other long-term liabilities	13,103	13,017
Commitments
Shareholders' equity:
Preferred stock, no par value, 5,000,000 shares authorized; Series A convertible preferred stock, 25,000 shares designated, 18,158 shares issued and surrendered, and zero shares outstanding at June 30, 2014 and December 31, 2013
Common stock, no par value, 100,000,000 shares authorized; 58,436,345 and 57,369,683 shares issued and outstanding at June 30, 2014 and December 31, 2013, respectively	230,858	221,124
Additional paid-in capital	1,850	347
Accumulated deficit	(53,364)	(84,048)
Accumulated other comprehensive income (loss), net of tax	(18)	(7)
Total shareholders' equity	179,326	137,416
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 458,480	$ 508,653