Accounts Payable and Accruals - Other - Schedule of Accounts Payable and Accruals - Other (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Payables and Accruals [Abstract]
Employees and employee institutions	$ 855	$ 853
Accrued vacation and recreation pay	195	165
Accrued clinical trial expenses	462	462
Provision for sales commissions	97	109
Accrued expenses	777	514
Other	31	31
Accounts Payable and Accruals - Other	$ 2,417	$ 2,134