Stockholders' Equity - Schedule of Reserved Shares of Common Stock for Future Issuance (Detail) - shares	Sep. 30, 2026	Jun. 25, 2026	Dec. 31, 2025
Class of Stock [Line Items]
Common shares reserved for future issuance	12,259,468		4,294,605
Stock options
Class of Stock [Line Items]
Common shares reserved for future issuance	639,693		443,651
Restricted Stock Units
Class of Stock [Line Items]
Common shares reserved for future issuance	449,854		332,974
December 2020 Public Offering \| Warrant
Class of Stock [Line Items]
Common shares reserved for future issuance	400,000		400,000
Warrants to Purchase Common Stock Associated With April 2022 Public Offering \| Warrant
Class of Stock [Line Items]
Common shares reserved for future issuance	1,875,003		1,875,003
April 2022 Public Offering \| Warrant
Class of Stock [Line Items]
Common shares reserved for future issuance	398,727		398,727
Warrants Associated With March 2026 Private Placement \| Warrant
Class of Stock [Line Items]
Common shares reserved for future issuance	5,437,464		0
March 2026 Private Placement \| Warrant
Class of Stock [Line Items]
Common shares reserved for future issuance	1,093,744		0
Warrants to purchase common stock associated with Loan Agreement \| Warrant
Class of Stock [Line Items]
Common shares reserved for future issuance	24,851		24,851
Warrants to purchase common stock associated with Danforth \| Warrant
Class of Stock [Line Items]
Common shares reserved for future issuance	6,250		6,250
2024 Plan
Class of Stock [Line Items]
Common shares reserved for future issuance	1,480,712	768,750	558,739
2014 Employee Stock Purchase Plan
Class of Stock [Line Items]
Common shares reserved for future issuance	164,475		171,203
2015 Plan
Class of Stock [Line Items]
Common shares reserved for future issuance	288,695		83,207