Investments and Fair Value Instruments - Summary of Fair Value of Investments Securities (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Assets at Fair Value
Total Assets at Fair Value	$ 22,343	$ 26,842
Money Market Funds [Member]
Assets at Fair Value
Cash equivalents	22,343	26,842
Level 1 [Member]
Assets at Fair Value
Total Assets at Fair Value	22,343	26,842
Level 1 [Member] \| Money Market Funds [Member]
Assets at Fair Value
Cash equivalents	$ 22,343	$ 26,842

Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant