Fair Value Measurements and Marketable Securities - Summary of Financial Assets and Liabilities Measured at Fair Value Recurring Basis (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Cash equivalents:
Total cash equivalents	$ 25,600	$ 600
Fair Value, Measurements, Recurring [Member]
Cash equivalents:
Total cash equivalents	46,519	112,017
Marketable securities:
Total marketable securities	49,855	33,818
Total cash equivalents and marketable securities	96,374	145,835
Derivative liability	995	802
Derivative liabilities	995	802
Fair Value, Measurements, Recurring [Member] | Level 1 [Member]
Cash equivalents:
Total cash equivalents	0	0
Marketable securities:
Total marketable securities	0	0
Total cash equivalents and marketable securities	0	0
Derivative liability	0	0
Derivative liabilities	0	0
Fair Value, Measurements, Recurring [Member] | Level 2 [Member]
Cash equivalents:
Total cash equivalents	46,519	112,017
Marketable securities:
Total marketable securities	49,855	33,818
Total cash equivalents and marketable securities	96,374	145,835
Derivative liability	0	0
Derivative liabilities	0	0
Fair Value, Measurements, Recurring [Member] | Level 3 [Member]
Cash equivalents:
Total cash equivalents	0	0
Marketable securities:
Total marketable securities	0	0
Total cash equivalents and marketable securities	0	0
Derivative liability	995	802
Derivative liabilities	995	802
Fair Value, Measurements, Recurring [Member] | Money Market Funds [Member]
Cash equivalents:
Total cash equivalents	37,803	109,316
Fair Value, Measurements, Recurring [Member] | Money Market Funds [Member] | Level 1 [Member]
Cash equivalents:
Total cash equivalents	0	0
Fair Value, Measurements, Recurring [Member] | Money Market Funds [Member] | Level 2 [Member]
Cash equivalents:
Total cash equivalents	37,803	109,316
Fair Value, Measurements, Recurring [Member] | Money Market Funds [Member] | Level 3 [Member]
Cash equivalents:
Total cash equivalents	0	0
Fair Value, Measurements, Recurring [Member] | Commercial Paper [Member]
Marketable securities:
Total marketable securities	14,944	22,339
Fair Value, Measurements, Recurring [Member] | Commercial Paper [Member] | Level 1 [Member]
Marketable securities:
Total marketable securities	0	0
Fair Value, Measurements, Recurring [Member] | Commercial Paper [Member] | Level 2 [Member]
Marketable securities:
Total marketable securities	14,944	22,339
Fair Value, Measurements, Recurring [Member] | Commercial Paper [Member] | Level 3 [Member]
Marketable securities:
Total marketable securities	0	0
Fair Value, Measurements, Recurring [Member] | Corporate Bonds [Member]
Cash equivalents:
Total cash equivalents	2,718	2,701
Marketable securities:
Total marketable securities	7,928	11,479
Fair Value, Measurements, Recurring [Member] | Corporate Bonds [Member] | Level 1 [Member]
Cash equivalents:
Total cash equivalents	0	0
Marketable securities:
Total marketable securities		0
Fair Value, Measurements, Recurring [Member] | Corporate Bonds [Member] | Level 2 [Member]
Cash equivalents:
Total cash equivalents	2,718	2,701
Marketable securities:
Total marketable securities	7,928	11,479
Fair Value, Measurements, Recurring [Member] | Corporate Bonds [Member] | Level 3 [Member]
Cash equivalents:
Total cash equivalents	0	0
Marketable securities:
Total marketable securities		$ 0
Fair Value, Measurements, Recurring [Member] | U.S. Government Securities [Member]
Cash equivalents:
Total cash equivalents	5,998
Marketable securities:
Total marketable securities	26,983
Fair Value, Measurements, Recurring [Member] | U.S. Government Securities [Member] | Level 1 [Member]
Cash equivalents:
Total cash equivalents	0
Marketable securities:
Total marketable securities	0
Fair Value, Measurements, Recurring [Member] | U.S. Government Securities [Member] | Level 2 [Member]
Cash equivalents:
Total cash equivalents	5,998
Marketable securities:
Total marketable securities	26,983
Fair Value, Measurements, Recurring [Member] | U.S. Government Securities [Member] | Level 3 [Member]
Cash equivalents:
Total cash equivalents	0
Marketable securities:
Total marketable securities	$ 0