Revolving Credit Facility and Bank Borrowings (Components Of Our Consolidated Debt And Capital Lease Obligations) (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Capital lease obligations	$ 26	$ 44
Total borrowings and capital lease obligations	26	706
Less: current portion	11	676
Non-current portion	15	30
Notes Payable [Member]
Debt Instrument [Line Items]
Notes payable	$ 0	$ 662

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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