Balance Sheet Information - Prepaid expense and other current assets (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Balance Sheet Information
Prepaid insurance and legal fees	$ 463	$ 762
Prepaid software license and support	791	890
Prepaid corporate taxes	184	214
Prepaid expenses-other	708	714
Valued added tax	543	591
Other receivables	67	451
Other assets	326	831
Prepaid expenses and other current assets	$ 3,082	$ 4,453

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Prepaid Software And Support Expenses, Current

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

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Amount of current assets classified as other.

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

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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.

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