Maximum amount of loss due to credit risk that, based on the gross fair value of the financial instrument, the entity would incur if parties to the financial instruments that make up the concentration failed completely to perform according to the terms of the contracts and the collateral or other security, if any, for the amount due proved to be of no value to the entity.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Selected Balance Sheet Accounts (Details Narrative) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Property, Plant and Equipment [Line Items]
Impairment charge	$ 0	$ 0	$ 5,133	$ 0
Sales Revenue Net [Member]
Property, Plant and Equipment [Line Items]
Concentration risk			42.00%	33.00%
Accounts Receivable [Member]
Property, Plant and Equipment [Line Items]
Concentration risk			51.00%	43.00%
Concentration risk, amount			$ 13,200	$ 12,200