CONDENSED BALANCE SHEETS (USD $) In Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2011	Dec. 31, 2010
ASSETS
Cash and cash equivalents	$ 19,945	$ 22,526
Marketable securities	89,018	47,825
Accounts receivable	827	6,094
Receivables from collaborative partners	6,645	253
Inventories	3,292	1,571
Prepaid and other current assets	5,516	1,330
Total current assets	125,243	79,599
Marketable securities, long-term	45,233	6,537
Property and equipment, net	1,140	698
Other assets	169	197
TOTAL ASSETS	171,785	87,031
LIABILITIES AND SHAREHOLDERS' EQUITY
Accounts payable and accrued liabilities	25,788	18,473
Deferred product sales	379	1,041
Deferred license revenue	7,664	10,665
Other current liabilities	387	635
Current portion of long-term debt	0	2,170
Total current liabilities	34,218	32,984
Deferred license revenue, non-current portion	19,320	30,926
Other long-term liabilities	0	15
Commitments
Shareholders' equity:
Preferred stock, no par value
Common stock, no par value	202,022	191,343
Accumulated deficit	(83,743)	(168,306)
Accumulated other comprehensive gain	(32)	69
Total shareholders' equity	118,247	23,106
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 171,785	$ 87,031