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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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-Topic 718
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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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Number of shares authorized for issuance under share-based payment arrangement.

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Gross number of share options (or share units) granted during the period.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Percentage of vesting of award under share-based payment arrangement.

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Stock-based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands			3 Months Ended		6 Months Ended
	May 26, 2022	May 14, 2019	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Disclosure Of Compensation Related Costs Share based Payments [Line Items]
Stock-based compensation expense recognized			$ 29	$ 19	$ 58	$ 39
December 31, 2027 [Member]
Disclosure Of Compensation Related Costs Share based Payments [Line Items]
Amount remaining to be recognized as expense			$ 238		$ 238
2019 Equity Incentive Plan [Member]
Disclosure Of Compensation Related Costs Share based Payments [Line Items]
Number of shares authorized for issuance		450,000
Vesting rate		20.00%
2019 Equity Incentive Plan [Member] \| Share-Based Payment Arrangement, Option [Member]
Disclosure Of Compensation Related Costs Share based Payments [Line Items]
Exercise price of options outstanding			$ 10.06		$ 10.06		$ 10.11
Number of stock options, Granted					0
2019 Equity Incentive Plan [Member] \| Share-Based Payment Arrangement, Option [Member] \| Maximum [Member]
Disclosure Of Compensation Related Costs Share based Payments [Line Items]
Exercise price of options outstanding			14.5		$ 14.5
2019 Equity Incentive Plan [Member] \| Share-Based Payment Arrangement, Option [Member] \| Minimum [Member]
Disclosure Of Compensation Related Costs Share based Payments [Line Items]
Exercise price of options outstanding			$ 9		$ 9
2022 Equity Incentive Plan [Member]
Disclosure Of Compensation Related Costs Share based Payments [Line Items]
Number of shares authorized for issuance	475,000
2022 Equity Incentive Plan [Member] \| Minimum [Member]
Disclosure Of Compensation Related Costs Share based Payments [Line Items]
Vesting rate	95.00%
Minimum period to vest for 95% of the awards	1 year