Quarterly report pursuant to Section 13 or 15(d)

Cover

v3.24.0.1
Cover - shares
 3 Months Ended
Dec. 31, 2023
Feb. 12, 2024
Cover [Abstract]    
Entity Registrant Name GEE GROUP INC.  
Entity Central Index Key 0000040570  
Document Type 10-Q  
Amendment Flag false  
Current Fiscal Year End Date --09-30  
Entity Small Business true  
Entity Shell Company false  
Entity Emerging Growth Company false  
Entity Current Reporting Status Yes  
Document Period End Date Dec. 31, 2023  
Entity Filer Category Non-accelerated Filer  
Document Fiscal Period Focus Q1  
Document Fiscal Year Focus 2024  
Entity Common Stock Shares Outstanding   108,771,578
Entity File Number 1-05707  
Entity Incorporation State Country Code IL  
Entity Tax Identification Number 36-6097429  
Entity Address Address Line 1 7751 Belfort Parkway  
Entity Address Address Line 2 Suite 150  
Entity Address City Or Town Jacksonville  
Entity Address State Or Province FL  
Entity Address Postal Zip Code 32256  
City Area Code 630  
Local Phone Number 954-0400  
Security 12b Title Common Stock, no par value  
Trading Symbol JOB  
Security Exchange Name NYSE  
Document Quarterly Report true  
Document Transition Report false  
Entity Interactive Data Current Yes