Consolidated Statements of Income and Comprehensive Income - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Income Statement [Abstract]
Sales	$ 31,407,454	$ 27,440,110
Cost of sales	21,641,035	18,819,572
Gross profit	9,766,419	8,620,538
Operating Expenses
Wages	2,169,825	2,225,400
Administrative salaries and benefits	804,272	891,481
Insurance	479,218	462,184
Lease expense	453,639	462,193
Professional fees	283,842	444,735
Consulting	277,277	273,815
Interest expense	260,657	428,371
Office and miscellaneous	250,330	257,780
Advertising and promotion	197,196	159,690
Commissions	148,922	76,302
Travel	95,053	318,844
Research	81,422	123,660
Investor relations and transfer agent fee	78,930	90,296
Telecommunications	43,535	44,451
Utilities	17,651	15,886
Shipping	12,839	18,750
Bad debt expense	1,016	231,696
Currency exchange	(6,890)	187,250
Total operating expenses	5,648,734	6,712,784
Operating income	4,117,685	1,907,754
Gain on sale of equipment (Note 6)	9,490	2,312
Gain on investments (Note 10)	877,358	323,824
Gain on acquisition of ENP Realty (Note 10b)	133,341
Interest income	53,101	80,731
Income before income tax	5,190,975	2,314,621
Income taxes (Note 14)
Deferred income tax (expense) recovery	(409,553)	602,421
Current income tax expense	(1,197,888)	(619,857)
Net income for the year including non-controlling interests	3,583,534	2,297,185
Net income attributable to non-controlling interests	(606,484)	(384,793)
Net income attributable to controlling interest	$ 2,977,050	$ 1,912,392
Income per share (basic and diluted) (Note 15)	$ 0.24	$ 0.16
Weighted average number of common shares (basic)	12,240,641	11,945,636
Weighted average number of common shares (diluted)	12,302,552	12,085,798
Other comprehensive income:
Net income	$ 3,583,534	$ 2,297,185
Unrealized gain on foreign currency transactions	122,489	227,963
Total comprehensive income	3,706,023	2,525,148
Comprehensive income - non-controlling interest	(606,484)	(384,793)
Comprehensive income attributable to Flexible Solutions International, Inc.	$ 3,099,539	$ 2,140,355