XML 15 R1.htm IDEA: XBRL DOCUMENT v3.22.0.1
Document and Entity Information - USD ($)
 12 Months Ended
Dec. 31, 2021
Mar. 10, 2022
Jun. 30, 2021
Cover [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 31, 2021    
Document Fiscal Year Focus 2021    
Document Fiscal Period Focus FY    
Trading Symbol AVRO    
Entity Registrant Name AVROBIO, INC.    
Entity Central Index Key 0001681087    
Current Fiscal Year End Date --12-31    
Entity Filer Category Non-accelerated Filer    
Entity Common Stock, Shares Outstanding   43,696,327  
Entity Public Float     $ 336,928,742
Entity Emerging Growth Company true    
Entity Ex Transition Period false    
Entity Small Business true    
Entity Well-known Seasoned Issuer No    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Shell Company false    
Entity File Number 001-38537    
Entity Tax Identification Number 81-0710585    
Entity Address, Address Line One One Kendall Square    
Entity Address, Address Line Two Building 300    
Entity Address, Address Line Three Suite 201    
Entity Address, City or Town Cambridge    
Entity Address, State or Province MA    
Entity Address, Postal Zip Code 02139    
City Area Code 617    
Local Phone Number 914-8420    
Document Annual Report true    
Document Transition Report false    
Entity Incorporation, State or Country Code DE    
Entity Interactive Data Current Yes    
Title of 12(b) Security Common Stock, $0.0001 par value per share    
Security Exchange Name NASDAQ    
ICFR Auditor Attestation Flag false    
Auditor Firm ID 42    
Auditor Name Ernst & Young LLP    
Auditor Location Boston, Massachusetts    
Documents Incorporated by Reference

DOCUMENTS INCORPORATED BY REFERENCE

Part III of this Annual Report on Form 10-K incorporates by reference certain information from the registrant’s definitive Proxy Statement for its 2022 annual meeting of shareholders, which the registrant intends to file pursuant to Regulation 14A with the Securities and Exchange Commission not later than 120 days after the registrant’s fiscal year end of December 31, 2021. Except with respect to information specifically incorporated by reference in this Form 10-K, the Proxy Statement is not deemed to be filed as part of this Form 10-K.