Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Current assets
Cash and cash equivalents	$ 201,100	$ 209,478
Accounts receivable	12,954	10,659
Current portion of contingent consideration (Note 9)	39,874	36,520
Income taxes receivable	2,248	61
Inventories (Note 2)	3,598	3,324
Current portion of deferred income tax assets	1,581	3,643
Current portion of mortgage receivable (Note 3)	0	2,004
Prepaid and other	1,962	2,958
Total current assets	263,317	268,647
Property, plant and equipment	3,460	3,035
Deferred income tax assets	1,934	2,700
Mortgage receivable (Note 3)	6,229	6,013
Long-term inventories and other assets (Note 4)	12,035	13,319
Contingent consideration (Note 9)	77,192	94,069
Total assets	364,167	387,783
Current liabilities
Accounts payable	4,997	6,031
Income taxes payable	0	716
Accrued liabilities (Note 5)	6,434	6,323
Deferred income tax liability	82	82
Total current liabilities	11,513	13,152
Uncertain tax position liabilities	1,792	1,687
Total liabilities	13,305	14,839
Share capital (Note 7)
5,000,000 first preference shares without par value, issuable in series	0	0
Authorized 500,000,000 common shares without par value Issued and outstanding Common shares June 30, 2011 - 49,950,199 shares; December 31, 2010 - 51,154,392 shares	468,062	479,998
Additional paid-in capital	292,194	287,646
Accumulated deficit	(512,363)	(497,669)
Accumulated other comprehensive income	102,969	102,969
Total share capital	350,862	372,944
Total liabilities and shareholder's equity	$ 364,167	$ 387,783