Stock-Based Compensation - Summary of Restricted Stock Activity (Detail) - Restricted stock [Member]	9 Months Ended
	Sep. 30, 2024 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares, Unvested, Beginning balance | shares	183,095
Shares, Granted | shares	0
Shares, Vested | shares	0
Shares, Forfeited | shares	0
Shares, Repurchased | shares	0
Shares, Unvested, Ending balance | shares	183,095
Weighted-Average Grant Date Fair Value, Unvested, Beginning balance | $ / shares	$ 0.17
Weighted-Average Grant Date Fair Value, Granted | $ / shares	0
Weighted-Average Grant Date Fair Value, Vested | $ / shares	0
Weighted-Average Grant Date Fair Value, Forfeited | $ / shares	0
Weighted-Average Grant Date Fair Value, Repurchased | $ / shares	0
Weighted-Average Grant Date Fair Value, Unvested, Ending balance | $ / shares	$ 0.17