Preferred Stock, Common Stock and Stockholders' Equity - Equity Incentive Award Plans - Additional Information (Detail) - $ / shares		1 Months Ended	12 Months Ended
	Jan. 01, 2024	May 31, 2023	Dec. 31, 2023	Dec. 31, 2022
Sale Of Stock [Line Items]
Aggregate number of shares of common stock reserved under the plan		1,194,717	1,317,451	675,396
Award plan expiration month and year		2033-03
Options available for future grant			547,838	146,497
Options granted, weighted average term			10 years
Number of stock options granted			153,750	78,247
Intrinsic value, common stock price			$ 1.05
Weighted Average Grant Date Fair Value Per Share, Granted			$ 2.42	$ 4.86
Minimum [Member]
Sale Of Stock [Line Items]
Options granted, vesting period			1 year
Maximum [Member]
Sale Of Stock [Line Items]
Options granted, vesting period			4 years
Amended and Restated Equity Incentive Plan 2013 [Member]
Sale Of Stock [Line Items]
Aggregate number of shares of common stock reserved under the plan		50,000,000
Shares available for issuance, description			In addition, the number of shares available for issuance is annually increased on the first day of each fiscal year by that number of shares equal to the least of (a) six percent of the outstanding shares of common stock on the last day of the immediately preceding calendar year, and (b) such other amount determined by the Company’s board of directors. Notwithstanding the foregoing, the number of shares of common stock that may be issued or transferred pursuant to incentive stock options under the Restated Plan may not exceed an aggregate of 50,000,000 shares.
Amended and Restated Equity Incentive Plan 2013 [Member] | Annual Increase in Shares [Member]
Sale Of Stock [Line Items]
Reserve percentage for issuance of shares		6.00%
2013 Equity Incentive Award Plan [Member]
Sale Of Stock [Line Items]
Increase in the number of shares of common stock reserved under the plan		1,352,800
Options available for future grant			547,838
Number of stock options granted			153,750
2013 Equity Incentive Award Plan [Member] | Subsequent Event [Member]
Sale Of Stock [Line Items]
Increase in the number of shares of common stock reserved under the plan	200,584
Options available for future grant	748,422