Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Revenues
Net product revenue (Note 8)	$ 6,226	$ 5,535	$ 20,724	$ 24,786
Royalties	3,355	3,050	10,441	9,891
Revenues	9,581	8,585	31,165	34,677
Costs and expenses
Cost of sales	2,673	1,869	7,422	11,813
Research and development	11,282	8,101	32,334	22,776
Selling, general and administrative	5,842	5,354	19,198	15,238
Depreciation	328	306	1,040	922
Costs and expenses	20,125	15,630	59,994	50,749
Operating loss	(10,544)	(7,045)	(28,829)	(16,072)
Investment and other income
Net foreign exchange (losses) gains	(298)	409	39	78
Interest income	146	602	534	1,599
Fair value change in contingent consideration (Note 11)	1,828	5,206	6,864	10,167
Other gains	9	24	18	392
Investment and other income	1,685	6,241	7,455	12,236
Loss before income taxes	(8,859)	(804)	(21,374)	(3,836)
(Provision for) recovery of income taxes (Note 10)	(247)	107	(2,426)	5,527
Net (loss) income	$ (9,106)	$ (697)	$ (23,800)	$ 1,691
Basic and diluted net (loss) income per common share	$ (0.18)	$ (0.01)	$ (0.47)	$ 0.03
Weighted average number of common shares outstanding (thousands)
Basic	49,732	51,656	50,425	52,794
Diluted	49,732	51,656	50,425	53,789