Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
ASSETS
Cash and cash equivalents	$ 29,076	$ 24,043
Marketable securities	37,737	62,106
Accounts receivable	3,614	4,420
Receivables from collaborative partners	10,078	8,135
Inventories	9,587	5,395
Prepaid and other current assets	5,175	5,390
Total current assets	95,267	109,489
Marketable securities, long-term	11,079	53,644
Property and equipment, net	8,237	1,070
Intangible assets, net	25,078
Other assets	1,992	169
TOTAL ASSETS	141,653	164,372
LIABILITIES AND SHAREHOLDERS' EQUITY
Accounts payable and accrued liabilities	32,578	26,784
Deferred product sales		6,960
Deferred license revenue	3,273	6,032
Other current liabilities	830	64
Total current liabilities	36,681	39,840
Deferred license revenue, non-current portion	15,516	17,932
Other long-term liabilities	5,520	682
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 December 31, 2012 and December 31, 2011
Common stock, no par value, 100,000,000 shares authorized; 56,383,713 and 55,506,120 shares issued and outstanding at December 31, 2012 and December 31, 2011, respectively	211,266	203,511
Accumulated deficit	(127,361)	(97,580)
Accumulated other comprehensive Income (loss), net of tax	31	(13)
Total shareholders' equity	83,936	105,918
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 141,653	$ 164,372