Capital Structure - Summary of Common Stock Reserved for Future Issuance (Detail) - shares	Jun. 30, 2022	Dec. 31, 2021
Class of Stock [Line Items]
Common Stock reserved for future issuance	16,475,800	14,903,919
Two Thousand Fourteen Omnibus Incentive Plan [Member]
Class of Stock [Line Items]
Common Stock reserved for future issuance	116,665	77,631
Two Thousand Twenty One Employment Inducement Plan [Member]
Class of Stock [Line Items]
Common Stock reserved for future issuance	985,000	1,000,000
Stock Options [Member]
Class of Stock [Line Items]
Common Stock reserved for future issuance	4,448,969	2,899,694
Warrants [Member]
Class of Stock [Line Items]
Common Stock reserved for future issuance	10,925,166	10,926,594