Subsequent Events - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Mar. 15, 2024	Mar. 11, 2021	Jul. 31, 2018
Subsequent Event [Line Items]
Common stock, shares authorized	120,000,000	120,000,000
Proceeds from sale of common stock to related party	$ 0	$ 221
BARDA [Member]
Subsequent Event [Line Items]
Potential contract amount awarded	$ 11,700				$ 44,200
At-The-Market Offering Program [Member]
Subsequent Event [Line Items]
Issuance of stock, shares	0	144,476
At-The-Market Offering Program [Member] | Cantor Fitzgerald & Co [Member] | Maximum [Member]
Subsequent Event [Line Items]
Common stock available for issuance			$ 75,000	$ 75,000