Fair Value Measurements - Summary of Fair Value of the Anti-dilution Right Measured At Fair Value On a Recurring Basis Using Level 3 Significant Unobservable Inputs (Detail) - Recurring - Level 3 - Anti-dilution Right $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($)
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Balance at December 31, 2020	$ 0
Issuance of Anti-dilution Right	233
Change in fair value of Anti-dilution Right	30
Balance at December 31, 2021	0
Series B Preferred Stock
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements	$ (263)