Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Current assets
Cash and cash equivalents	$ 137,828	$ 118,521
Accounts receivable, net of allowances for doubtful accounts (Notes 4)	4,440	4,590
Contingent consideration - current (Note 3)	0	36,582
Income taxes receivable	68	77
Deferred income tax assets - current	0	191
Prepaid and other assets	787	1,863
Total current assets	143,123	161,824
Property, plant and equipment	1,211	1,866
Deferred income tax assets - non-current	0	177
Total assets	144,334	163,867
Current liabilities
Accounts payable	2,405	2,609
Accrued liabilities (Note 5)	1,283	1,498
Accrued restructuring charges (Note 8)	0	130
Total current liabilities	3,688	4,237
Uncertain tax position liabilities	398	1,846
Total liabilities	4,086	6,083
Share capital (Note 7)
Authorized 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, 2014 - 51,185,922 shares December 31, 2013 - 51,081,878 shares	466,979	466,229
Additional paid-in capital	97,590	95,844
Accumulated deficit	(527,290)	(507,258)
Accumulated other comprehensive income	102,969	102,969
Total shareholders' equity	140,248	157,784
Total shareholders' equity and liabilities	$ 144,334	$ 163,867