v3.24.0.1
Document And Entity Information
6 Months Ended
Jun. 30, 2023
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 Q2
Document Fiscal Year Focus 2023
Document Type 6-K
Entity File Number 001-38024
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
Document Period End Date Jun. 30, 2023