Document And Entity Information	9 Months Ended
	Sep. 30, 2016 shares
Document Information [Line Items]
Entity Registrant Name	CEN BIOTECH INC
Entity Central Index Key	0001653821
Current Fiscal Year End Date	--12-31
Entity Filer Category	Smaller Reporting Company
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	No
Entity Common Stock, Shares Outstanding (in shares)	7,000,000
Document Type	10-Q
Document Period End Date	Sep. 30, 2016
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	Q3
Amendment Flag	false