Balance Sheet Information - Prepaid expense and other current assets (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Balance Sheet Information
Prepaid insurance and legal fees	$ 392	$ 536
Prepaid software license and support	526	471
Prepaid corporate taxes	85	196
Prepaid expenses-other	406	1,337
Valued added tax	798	738
Other receivables	2	64
Other assets	234	330
Prepaid expenses and other current assets	$ 2,443	$ 3,672

Prepaid Corporate Taxes, Current

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- Definition

Prepaid Insurance And Legal Fees, Current

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- Definition

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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, after allowance, of receivables classified as other, due within one year or the 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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