SUPPLEMENTARY FINANCIAL STATEMENT INFORMATION (Accounts Payable and Accruals, Other) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Accounts payable and accruals - other:
Payroll and related expenses	$ 1,190	$ 1,125
Interest payable	511	914
Provision for vacation	1,399	1,406
Accrued expenses	3,575	1,571
Royalties payable	226	29
Property and equipment suppliers	595	489
Accounts Payable, Current	$ 7,496	$ 5,534