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Document And Entity Information - shares
 12 Months Ended
Sep. 30, 2023
Feb. 15, 2024
Document Information    
Document Type 20-F  
Document Registration Statement false  
Document Annual Report true  
Document Period End Date Sep. 30, 2023  
Document Transition Report false  
Document Shell Company Report false  
Entity File Number 000-51576  
Entity Registrant Name Origin Agritech Limited  
Entity Incorporation, State or Country Code D8  
Entity Address, Address Line One No. 21 Sheng Ming Yuan Road  
Entity Address, Address Line Two Changping District  
Entity Address, City or Town Beijing  
Entity Address, Postal Zip Code 102206  
Entity Address, Country CN  
Title of 12(b) Security Ordinary Shares  
Trading Symbol SEED  
Security Exchange Name NASDAQ  
Entity Common Stock, Shares Outstanding   6,334,998
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 Emerging Growth Company false  
ICFR Auditor Attestation Flag false  
Document Financial Statement Error Correction [Flag] false  
Document Accounting Standard U.S. GAAP  
Entity Shell Company false  
Entity Central Index Key 0001321851  
Amendment Flag false  
Document Fiscal Year Focus 2023  
Document Fiscal Period Focus FY  
Current Fiscal Year End Date --09-30  
Auditor Name B F Borgers CPA PC  
Auditor Firm ID 5041  
Auditor Location Lakewood, Colorado  
Business Contact    
Document Information    
Contact Personnel Name Dr. Han Gengchen  
Entity Address, Address Line One No. 21 Sheng Ming Yuan Road  
Entity Address, Address Line Two Changping District  
Entity Address, City or Town Beijing  
Entity Address, Postal Zip Code 102206  
Entity Address, Country CN  
City Area Code 86-10  
Local Phone Number 5890-7588  
Contact Personnel Fax Number 5890-7577