SUPPLEMENTARY FINANCIAL STATEMENT INFORMATION (Accounts Payable and Accruals, Other) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Accounts Payable And Accruals [Line Items]
Payroll and related expenses	$ 1,748	$ 1,108
Provision for vacation	1,453	1,221
Accrued expenses	2,032	2,327
Royalties payable	1,560	89
Accounts payable and accruals, other	11,051	7,540
Collaboration Operation Current Portion [Member]
Accounts Payable And Accruals [Line Items]
Accounts payable and accruals, other	3,122	1,322
Property And Equipment Suppliers [Member]
Accounts Payable And Accruals [Line Items]
Accounts payable and accruals, other	$ 1,136	$ 1,473