Notes Payable - Schedule of Notes Payable (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Debt Disclosure [Abstract]
Short-term financing	$ 256	$ 84
Total notes payable	256	84
Less: Current portion	$ (256)	$ (84)

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant