XML 8 R1.htm IDEA: XBRL DOCUMENT v3.21.4

Document And Entity Information	Sep. 30, 2021
Document Information [Line Items]
Entity Registrant Name	BeyondSpring Inc.
Document, Type	6-K
Document, Period End Date	Sep. 30, 2021
Current Fiscal Year End Date	--12-31
Entity, File Number	001-38024
Entity, Address, Address Line One	28 Liberty Street, 39th Floor
Entity, Address, City or Town	New York
Entity, Address, State or Province	NY
Entity, Address, Postal Zip Code	10005
Amendment Flag	false
Entity Central Index Key	0001677940

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- Definition

Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.

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- Definition

End date of current fiscal year in the format --MM-DD.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD.

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- Definition

The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.

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Address Line 1 such as Attn, Building Name, Street Name

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Name of the City or Town

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Code for the postal or zip code

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Name of the state or province.

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A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.

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The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.

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