Net Loss Per Share - Additional Information (Detail) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2022 USD ($)	Sep. 30, 2022 USD ($) shares
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Net loss attributable to common stockholders | $	$ 330	$ 330
Stock split, conversion ratio		0.02
Reverse stock split description		the changes in the number of shares resulting from the 50 to 1 reverse stock split that was approved by shareholders on October 11, 2022 and became effective as of October 12, 2022.
Shares issued and outstanding immediately before the reverse stock split | shares		352,957,478
Shares outstanding immediately after the reverse stock split		7,059,144
Remaining shares issued | shares		345,898,334
Series A Redeemable Convertible Preferred Stock [Member]
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Net loss attributable to common stockholders | $		$ 300