Other Assets and Liabilities - Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Prepaid Expenses and Other Current Assets:
Valued-added tax recoverable	$ 979	$ 1,206
Prepaid and other expenses	4,416	7,106
Guarantee from Armistice	512	0
Income tax receivable	478	518
Research and development tax credit receivable	265	0
Other	209	128
Total	$ 6,859	$ 8,958

Carrying amount as of the balance sheet date of advance to suppliers and other current assets.

No definition available.

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- Definition

Guarantee, Current

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Research And Development Tax Credit Receivable, Current

+ References

No definition available.

+ Details

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- Definition

Carrying amount due within one year of the balance sheet date (or one operating cycle, if longer) from tax authorities as of the balance sheet date representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
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- Definition

Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.

+ References

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- References

No definition available.

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- Definition

Amount of asset related to consideration paid in advance for costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

+ References

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-Publisher FASB
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- Definition

Carrying amount as of the balance sheet date of value added taxes due either from customers arising from sales on credit terms, or as previously overpaid to tax authorities. For classified balance sheets, represents the current amount receivable, that is amounts expected to be collected within one year or the normal operating cycle, if longer.

+ References

+ Details

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