11 GEOGRAPHIC AREAS - Geographic sales information (Details) - USD ($)	12 Months Ended
	Feb. 28, 2017	Feb. 28, 2016
Water filtration products sold based on the country of residence of the customer	$ 4,378,436	$ 10,910,067
United States [Member]
Water filtration products sold based on the country of residence of the customer	4,099,466	10,570,209
Asia [Member]
Water filtration products sold based on the country of residence of the customer	158	105,881
Greece [Member]
Water filtration products sold based on the country of residence of the customer		74,185
United Kingdom [Member]
Water filtration products sold based on the country of residence of the customer	14,944	47,141
New Zealand [Member]
Water filtration products sold based on the country of residence of the customer	91,971	39,816
Australia [Member]
Water filtration products sold based on the country of residence of the customer	50,615	33,973
Canada [Member]
Water filtration products sold based on the country of residence of the customer	38,971	21,660
Other countries [Member]
Water filtration products sold based on the country of residence of the customer	$ 82,311	$ 17,202