Consolidated Statements of Operations and Comprehensive Loss - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Income Statement [Abstract]
REVENUE, NET	$ 23,829,463	$ 32,165,933
COST OF REVENUE (including approximately $5,599,700 and $11,086,500 respectively, purchased from related party)	20,610,000	27,227,664
GROSS PROFIT	3,219,463	4,938,269
COMMISSIONS	106,671	133,240
SALARIES & WAGES	3,897,541	2,594,677
SETTLEMENT & WARRANT EXPENSE		769,353
OTHER OPERATING EXPENSES	3,168,158	2,709,009
LOSS FROM OPERATIONS	(3,952,907)	(1,268,010)
INTEREST EXPENSE	(1,068,796)	(1,009,106)
NET LOSS	(5,021,703)	(2,277,116)
LESS: NET LOSS ATTRIBUTABLE TO NON-CONTROLLING INTEREST	(35,417)	(16,752)
NET LOSS ATTRIBUTABLE TO BLUE STAR FOODS CORP.	(4,986,286)	(2,260,364)
DIVIDEND ON PREFERRED STOCK	113,041	16,328
NET LOSS ATTRIBUABLE TO BLUE STAR FOODS CORP COMMON SHAREHOLDERS	(5,099,327)	(2,276,692)
COMPREHENSIVE LOSS:
TRANSLATION ADJUSTMENT ATTRIBUTABLE TO NON-CONTROLLING INTEREST	50,141	(38,622)
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO NON-CONTROLLING INTEREST	14,724	(55,374)
COMPREHENSIVE LOSS ATTRIBUTABLE TO BLUE STAR FOODS CORP.	(4,986,286)	(2,260,364)
INCOME TAX EXPENSE (PRO-FORMA FOR 2018)	(4,413)	(3,004)
NET LOSS ATTRIBUTABLE TO BLUE STAR FOODS CORP	(4,990,699)	(2,263,368)
COMPREHENSIVE LOSS ATTRIBUTABLE TO BLUE STAR FOODS CORP	$ (4,990,699)	$ (2,260,364)
Loss per basic and diluted common share:
Basic net loss per common share	$ (0.31)	$ (0.15)
Basic weighted average common shares outstanding	16,201,766	15,147,384
Fully diluted net loss per common share	$ (0.31)	$ (0.15)
Fully diluted weighted average common shares outstanding	16,201,766	15,147,384