Annual report pursuant to Section 13 and 15(d)

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

v3.20.1
Capital Structure - Summary of Common Stock Reserved for Future Issuance (Detail) - shares
Dec. 31, 2019
Dec. 31, 2018
Class of Stock [Line Items]    
Common Stock reserved for future issuance 4,351,873 4,125,267
Two Thousand Fourteen Omnibus IncentivePlan [Member]    
Class of Stock [Line Items]    
Common Stock reserved for future issuance 101,625 282,176
Stock Options [Member]    
Class of Stock [Line Items]    
Common Stock reserved for future issuance 1,216,338 718,788
Warrants [Member]    
Class of Stock [Line Items]    
Common Stock reserved for future issuance 3,033,910 3,124,303