Condensed Interim Consolidated Statements of Income and Comprehensive Income (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Income Statement [Abstract]
Sales	$ 7,624,697	$ 8,429,486
Cost of sales	4,916,776	5,479,947
Gross profit	2,707,921	2,949,539
Operating Expenses
Wages	579,355	535,433
Administrative salaries and benefits	222,490	204,543
Insurance	124,458	131,569
Consulting	72,961	67,311
Lease expense	66,028	118,468
Interest expense	62,274	101,425
Professional fees	53,689	51,053
Office and miscellaneous	42,119	39,392
Advertising and promotion	34,770	65,621
Investor relations and transfer agent fee	25,087	18,624
Research	18,275	28,578
Travel	10,994	55,362
Telecommunications	9,991	11,876
Currency exchange	8,300	(57,727)
Commissions	4,768	2,358
Shipping	4,355	4,613
Utilities	2,722	4,305
Total operating expenses	1,342,636	1,382,804
Operating income	1,365,285	1,566,735
PPP loan forgiveness	537,960
Gain on investments	208,968	199,529
Interest income	10,298	414
Income before income tax	2,122,511	1,766,678
Income taxes
Deferred income tax recovery
Income tax expense	(485,456)	(434,988)
Net income for the period including non-controlling interests	1,637,055	1,331,690
Less: Net income attributable to non-controlling interests	(186,484)	(67,015)
Net income attributable to controlling interest	$ 1,450,571	$ 1,264,675
Income per share (basic and diluted)	$ .12	$ .10
Weighted average number of common shares (basic)	12,292,452	12,237,798
Weighted average number of common shares (diluted)	12,518,331	12,300,896
Other comprehensive income (loss):
Net income	$ 1,637,055	$ 1,331,690
Unrealized gain (loss) on foreign currency translations	82,352	(98,928)
Total comprehensive income	1,719,407	1,232,762
Comprehensive income - non-controlling interest	(186,484)	(67,015)
Comprehensive income attributable to Flexible Solutions International Inc.	$ 1,532,923	$ 1,165,747