Document And Entity Information - USD ($)	12 Months Ended
	Jun. 30, 2021	Sep. 28, 2021	Dec. 31, 2020
Document Information Line Items
Entity Registrant Name	Sino-Global Shipping America, Ltd.
Trading Symbol	SINO
Document Type	10-K
Current Fiscal Year End Date	--06-30
Entity Common Stock, Shares Outstanding		16,152,113
Entity Public Float			$ 10,990,059
Amendment Flag	false
Entity Central Index Key	0001422892
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Non-accelerated Filer
Entity Well-known Seasoned Issuer	No
Document Period End Date	Jun. 30, 2021
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	FY
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Document Annual Report	true
Document Transition Report	false
Entity File Number	001-34024
Entity Incorporation, State or Country Code	VA
Entity Tax Identification Number	11-3588546
Entity Address, Address Line One	1044 Northern Boulevard
Entity Address, Address Line Two	Suite 305
Entity Address, City or Town	Roslyn
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	11576-1514
City Area Code	(718)
Local Phone Number	888-1814
Title of 12(b) Security	Common Stock, no par value
Security Exchange Name	NASDAQ
Entity Interactive Data Current	Yes