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Balance Sheet Components - Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Prepaid Expense and Other Assets, Current [Abstract]
Prepaid clinical and research related expenses	$ 3,517	$ 2,567
Prepaid insurance	1,440	1,161
Other prepaid expenses	1,009	1,057
Other receivable	311	744
Prepaid expenses and other current assets	$ 6,277	$ 5,529

X

- Definition

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

+ References

No definition available.

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X

- Definition

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.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 340
-SubTopic 10
-Section 45
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- Definition

Amount, after allowance, of receivables classified as other, due within one year or the operating cycle, if longer.

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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.

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

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