Annual report pursuant to Section 13 and 15(d)


Cover - USD ($)
12 Months Ended
Dec. 31, 2021
Mar. 29, 2022
Jun. 30, 2021
Cover [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Annual Report true    
Document Transition Report false    
Document Period End Date Dec. 31, 2021    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2021    
Current Fiscal Year End Date --12-31    
Entity File Number 001-39933    
Entity Registrant Name URBAN-GRO, INC.    
Entity Central Index Key 0001706524    
Entity Tax Identification Number 46-5158469    
Entity Incorporation, State or Country Code DE    
Entity Address, Address Line One 1751 Panorama Point    
Entity Address, Address Line Two Unit G    
Entity Address, City or Town Lafayette    
Entity Address, State or Province CO    
Entity Address, Postal Zip Code 80026    
City Area Code (720)    
Local Phone Number 390-3880    
Title of 12(b) Security Common Stock, $0.001 par value    
Trading Symbol UGRO    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company true    
Elected Not To Use the Extended Transition Period false    
Entity Shell Company false    
Entity Public Float     $ 72,335,767
Entity Common Stock, Shares Outstanding   10,203,514  
Documents Incorporated by Reference [Text Block] The information required by Part III of this Annual Report on Form 10-K is incorporated by reference from the Registrant’s definitive proxy statement relating to the 2022 Annual Meeting of Stockholders, which will be filed with the Securities and Exchange Commission within 120 days after the end of the fiscal year to which this Annual Report on Form 10-K relates.    
ICFR Auditor Attestation Flag false    
Auditor Firm ID 5041    
Auditor Name BF Borgers CPA PC    
Auditor Location Lakewood, CO