Annual report pursuant to Section 13 and 15(d)

Capital Structure - Summary of Common Stock Reserved for Future Issuance (Detail)

v3.21.1
Capital Structure - Summary of Common Stock Reserved for Future Issuance (Detail) - shares
Dec. 31, 2020
Dec. 31, 2019
Class of Stock [Line Items]    
Common Stock reserved for future issuance 14,245,213 4,351,873
Two Thousand Fourteen Omnibus IncentivePlan [Member]    
Class of Stock [Line Items]    
Common Stock reserved for future issuance 41,079 101,625
Stock Options [Member]    
Class of Stock [Line Items]    
Common Stock reserved for future issuance 1,853,841 1,216,338
Warrants [Member]    
Class of Stock [Line Items]    
Common Stock reserved for future issuance 12,350,293 3,033,910