Fair Value of Financial Assets - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis (Detail) - USD ($)	Dec. 31, 2022	Dec. 31, 2021
Marketable securities:
Marketable securities		$ 66,872,000
U.S. Treasury Securities [Member]
Marketable securities:
Marketable securities		63,874,000
U.S. Government Agency Bonds [Member]
Marketable securities:
Marketable securities		2,998,000
Fair Value, Recurring [Member]
Cash equivalents:
Cash equivalents and marketable securities	$ 0	78,041,000
Fair Value, Recurring [Member] | U.S. Treasury Securities [Member]
Marketable securities:
Marketable securities		63,874,000
Fair Value, Recurring [Member] | U.S. Government Agency Bonds [Member]
Marketable securities:
Marketable securities		2,998,000
Fair Value, Recurring [Member] | Money Market Funds [Member]
Cash equivalents:
Cash equivalents		11,169,000
Fair Value, Recurring [Member] | Level 1 [Member]
Cash equivalents:
Cash equivalents and marketable securities		11,169,000
Fair Value, Recurring [Member] | Level 1 [Member] | Money Market Funds [Member]
Cash equivalents:
Cash equivalents		11,169,000
Fair Value, Recurring [Member] | Level 2 [Member]
Cash equivalents:
Cash equivalents and marketable securities		66,872,000
Fair Value, Recurring [Member] | Level 2 [Member] | U.S. Treasury Securities [Member]
Marketable securities:
Marketable securities		63,874,000
Fair Value, Recurring [Member] | Level 2 [Member] | U.S. Government Agency Bonds [Member]
Marketable securities:
Marketable securities		$ 2,998,000