Stockholders' Equity - Schedule of Reserved Shares of Common Stock for Future Issuance (Detail) - shares	Jun. 30, 2026	Jun. 25, 2026	Dec. 31, 2025
Class of Stock [Line Items]
Common shares reserved for future issuance	11,862,597		4,294,605
2024 Plan
Class of Stock [Line Items]
Common shares reserved for future issuance	1,480,400	768,750	558,739
2014 Employee Stock Purchase Plan
Class of Stock [Line Items]
Common shares reserved for future issuance	167,604		171,203
2015 Plan
Class of Stock [Line Items]
Common shares reserved for future issuance	65,195		83,207
Warrant \| December 2020 Public Offering
Class of Stock [Line Items]
Common shares reserved for future issuance	400,000		400,000
Warrant \| Warrants to Purchase Common Stock Associated With April 2022 Public Offering
Class of Stock [Line Items]
Common shares reserved for future issuance	1,875,003		1,875,003
Warrant \| Warrants Associated With March 2026 Private Placement
Class of Stock [Line Items]
Common shares reserved for future issuance	5,437,464		0
Warrant \| March 2026 Private Placement
Class of Stock [Line Items]
Common shares reserved for future issuance	1,093,744		0
Warrant \| April 2022 Public Offering
Class of Stock [Line Items]
Common shares reserved for future issuance	398,727		398,727
Warrant \| Warrants to purchase common stock associated with Loan Agreement
Class of Stock [Line Items]
Common shares reserved for future issuance	24,851		24,851
Warrant \| Warrants to purchase common stock associated with Danforth
Class of Stock [Line Items]
Common shares reserved for future issuance	6,250		6,250
Restricted Stock Units
Class of Stock [Line Items]
Common shares reserved for future issuance	439,104		332,974
Stock options
Class of Stock [Line Items]
Common shares reserved for future issuance	474,255		443,651