Condensed Interim Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Income Statement [Abstract]
Sales	$ 7,403,492	$ 3,816,626	$ 22,645,408	$ 12,155,351
Cost of sales	5,024,130	2,859,130	15,338,382	7,693,981
Gross profit	2,379,362	957,496	7,307,026	4,461,370
Operating Expenses
Wages	554,454	383,964	1,648,384	1,184,290
Administrative salaries and benefits	199,055	273,735	690,797	811,646
Advertising and promotion	38,426	3,296	133,610	10,209
Investor relations and transfer agent fee	17,314	33,921	61,622	107,378
Office and miscellaneous	94,686	75,575	215,082	183,395
Insurance	141,997	76,535	329,387	207,387
Interest expense	94,319	7,735	341,791	22,222
Lease expense	116,005	61,196	345,216	185,991
Consulting	39,943	30,758	158,993	93,134
Professional fees	140,025	46,791	412,735	141,600
Travel	71,388	13,975	250,105	103,005
Telecommunications	11,006	8,175	33,307	21,083
Shipping	5,155	5,388	13,643	13,117
Research	15,551	32,698	70,997	87,251
Commissions	7,906	11,629	38,665	11,629
Bad debt expense			231,696
Currency exchange	9,823	86,813	190,934	(113,826)
Utilities	2,862	4,052	10,903	13,032
Total operating expenses	1,559,915	1,156,236	5,177,867	3,082,543
Operating income	819,447	(198,740)	2,129,159	1,378,827
Loss on involuntary disposition (net of tax)				1,714,261
Gain on investment	82,734	5,336	342,248	5,336
Interest income	13,621	10,566	69,154	17,459
Income before income tax	915,802	(182,838)	2,540,561	3,115,883
Income taxes
Deferred income tax recovery			125,999
Income tax expense	(213,771)	37,368	(743,317)	(421,783)
Net income for the year including non-controlling interests	702,031	(145,470)	1,923,243	2,694,100
Less: Net income attributable to non-controlling interests	(289,983)		(527,778)
Net income attributable to controlling interest	$ 412,048	$ (145,470)	$ 1,395,465	$ 2,694,100
Income per share (basic and diluted)	$ 0.03	$ (0.01)	$ 0.12	$ 0.23
Weighted average number of common shares (basic)	12,108,110	11,630,991	11,862,484	11,627,464
Weighted average number of common shares (diluted)	12,277,789	11,794,766	12,009,934	11,802,193
Other comprehensive income (loss):
Net income	$ 702,031	$ (145,470)	$ 1,923,243	$ 2,694,100
Unrealized gain (loss) on foreign currency translations	(24,773)	117,351	101,326	(188,331)
Total comprehensive income	677,258	(28,119)	2,024,569	2,505,769
Comprehensive income - non-controlling interest	(289,983)		(527,778)
Comprehensive income attributable to Flexible Solutions International Inc.	$ 387,275	$ (28,119)	$ 1,496,791	$ 2,505,769