XML 28 R1.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Document And Entity Information
 12 Months Ended
Dec. 31, 2023
shares
Document Information [Line Items]  
Entity Central Index Key 0001677940
Entity Registrant Name BeyondSpring Inc.
Amendment Flag false
Current Fiscal Year End Date --12-31
Document Fiscal Period Focus FY
Document Fiscal Year Focus 2023
Document Type 20-F
Document Registration Statement false
Document Annual Report true
Document Period End Date Dec. 31, 2023
Document Transition Report false
Document Shell Company Report false
Entity File Number 001-38024
Entity Incorporation, State or Country Code E9
Entity Address, Address Line One 100 Campus Drive, West Side, 4th Floor, Suite 410
Entity Address, City or Town Florham Park
Entity Address, State or Province NJ
Entity Address, Postal Zip Code 07932
Title of 12(b) Security Ordinary Shares, par value $0.0001 per share
Trading Symbol BYSI
Security Exchange Name NASDAQ
Entity Common Stock, Shares Outstanding 39,029,163
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
Auditor Firm ID 688
Auditor Name Marcum LLP
Auditor Location Costa Mesa, CA
Business Contact [Member]  
Document Information [Line Items]  
Entity Address, Address Line One 100 Campus Drive, West Side, 4th Floor, Suite 410
Entity Address, City or Town Florham Park
Entity Address, State or Province NJ
Entity Address, Postal Zip Code 07932
Contact Personnel Name Dr. Lan Huang, Chairperson of the Board and Chief Executive Officer
City Area Code 646
Local Phone Number 305-6387