Stockholders' Equity - Schedule of options (Detail) - $ / shares	3 Months Ended	12 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Options, Additional Disclosures [Abstract]
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	5 years 6 months 18 days	5 years 7 months 17 days
Weighted average remaining contractual term, granted (in years)	6 years 10 months 2 days
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	5 years 6 months 18 days	5 years 7 months 17 days
Options
Number
Beginning balance (in shares)	6,425,000
Granted (in shares)	812,500
Ending balance (in shares)	7,237,500	6,425,000
Vested options (in shares)	3,178,870
Weighted Average Exercise Price
Beginning balance (in usd per share)	$ 2.69
Granted (in usd per share)	1.62
Ending balance (in usd per share)	2.57	$ 2.69
Weighted average exercise price, vested and expected to vest (in usd per share)	$ 2.24
Options, Additional Disclosures [Abstract]
Weighted average remaining contractual term, vested and exercisable (in years)	5 years 2 months 15 days
Beginning weighted average fair value (in usd per share)	$ 3.91	4.26
Weighted average fair value, granted (in usd per share)		1.10
Ending weighted average fair value (in usd per share)		$ 3.91
Weighted average fair value, vested and exercisable (in usd per share)	$ 3.20