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Note 6 - SHIPPING AND HANDLING COSTS (Details) - USD ($)
3 Months Ended 9 Months Ended
Nov. 30, 2018
Nov. 30, 2017
Nov. 30, 2018
Nov. 30, 2017
Shipping and Handling [Member]        
Note 6 - SHIPPING AND HANDLING COSTS (Details) [Line Items]        
Cost of Goods and Services Sold $ 5,897,500 $ 5,328,900 $ 13,556,400 $ 12,200,100