Annual report pursuant to Section 13 and 15(d)

Cover Page

v3.21.1
Cover Page - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Mar. 26, 2021
Jun. 30, 2020
Document Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2020    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 001-38875    
Entity Registrant Name Greenlane Holdings, Inc.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 83-0806637    
Entity Address, Address Line One 1095 Broken Sound Parkway,    
Entity Address, Address Line Two Suite 300    
Entity Address, City or Town Boca Raton,    
Entity Address, State or Province FL    
Entity Address, Postal Zip Code 33487    
City Area Code 877    
Local Phone Number 292-7660    
Title of 12(b) Security Class A Common Stock, $0.01 par value per share    
Trading Symbol GNLN    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status No    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company true    
Entity Ex Transition Period true    
ICFR Auditor Attestation Flag false    
Entity Shell Company false    
Entity Public Float     $ 48.8
Documents Incorporated by Reference Portions of the registrant's Proxy Statement for the 2020 Annual Meeting of Stockholders are incorporated herein by reference in Part III of this Form 10-K to the extent stated herein. Such proxy statement will be filed with the Securities and Exchange Commission within 120 days of the registrant's fiscal year ended December 31, 2020.    
Entity Central Index Key 0001743745    
Amendment Flag false    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2019    
Class A common stock      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   16,341,897  
Class B common stock      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   2,443,437  
Class C common stock      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   72,064,218