XML 10 R1.htm IDEA: XBRL DOCUMENT v3.22.2.2
Document and Entity Information - shares
3 Months Ended
Sep. 30, 2022
Nov. 07, 2022
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Sep. 30, 2022  
Document Fiscal Year Focus 2023  
Document Fiscal Period Focus Q1  
Entity Registrant Name Great Elm Group, Inc.  
Entity Central Index Key 0001831096  
Current Fiscal Year End Date --06-30  
Entity Current Reporting Status Yes  
Entity Filer Category Non-accelerated Filer  
Entity Common Stock, Shares Outstanding   30,022,424
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity File Number 001-39832  
Entity Tax Identification Number 85-3622015  
Entity Address, Address Line One 800 South Street  
Entity Address, Address Line Two Suite 230  
Entity Address, City or Town Waltham  
Entity Address, State or Province MA  
Entity Address, Postal Zip Code 02453  
City Area Code 617  
Local Phone Number 375-3006  
Document Quarterly Report true  
Entity Incorporation, State or Country Code DE  
Entity Interactive Data Current Yes  
Document Transition Report false  
Common Stock    
Document Information [Line Items]    
Title of each class Common Stock, par value $0.001 per share  
Trading Symbol GEG  
Security Exchange Name NASDAQ  
7.25% Notes due 2027    
Document Information [Line Items]    
Title of each class 7.25% Notes due 2027  
Trading Symbol GEGGL  
Security Exchange Name NASDAQ