11 GEOGRAPHIC AREAS - Geographic sales information (Details) - USD ($)	12 Months Ended
	Feb. 28, 2018	Feb. 28, 2017
Water filtration products sold based on the country of residence of the customer	$ 5,279,377	$ 4,378,436
United States [Member]
Water filtration products sold based on the country of residence of the customer	5,130,357	4,099,466
Asia [Member]
Water filtration products sold based on the country of residence of the customer	105,568	158
Greece [Member]
Water filtration products sold based on the country of residence of the customer
United Kingdom [Member]
Water filtration products sold based on the country of residence of the customer		14,944
New Zealand [Member]
Water filtration products sold based on the country of residence of the customer		91,971
Australia [Member]
Water filtration products sold based on the country of residence of the customer		50,615
Canada [Member]
Water filtration products sold based on the country of residence of the customer	40,291	38,971
Other countries [Member]
Water filtration products sold based on the country of residence of the customer	$ 3,161	$ 82,311