Balance Sheet Details - Schedule of Other Current Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Other Liabilities Current [Abstract]
Intangible asset acquisition - Stella Alliance	$ 250	$ 100
Contingent consideration - acquisitions	781	634
Customer deposits	877	5,561
Other	6,014	2,989
Total other current liabilities	$ 7,922	$ 9,284

Amount of current liability recognized arising from purchase of intangible assets.

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- Definition

Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled within one year or the normal operating cycle, if longer.

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The current portion of money or property received from customers which is either to be returned upon satisfactory contract completion or applied to customer receivables in accordance with the terms of the contract or the understandings.

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Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer.

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Obligations not otherwise itemized or categorized in the footnotes to the financial statements that are due within one year or operating cycle, if longer, from the balance sheet date.

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