SUPPLEMENTARY FINANCIAL STATEMENT INFORMATION (Accounts Payable and Accruals, Other) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Accounts payable and accruals - other:
Payroll and related expenses	$ 1,125	$ 1,243
Interest payable	914	914
Provision for vacation	1,406	1,412
Accrued expenses	1,571	3,113
Royalties payable	29
Property and equipment suppliers	489	120
Accounts Payable, Current	$ 5,534	$ 6,802