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Note 3 - PROPERTY, PLANT AND EQUIPMENT (Details) - Property, Plant and Equipment - USD ($)
Nov. 30, 2017
Feb. 28, 2017
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross $ 32,781,300 $ 31,453,800
Less accumulated depreciation (5,328,200) (4,419,500)
Net Property, Plant and Equipment 27,453,100 27,034,300
Land [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross 4,107,200 4,107,200
Building [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross 20,321,800 20,321,800
Building Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross 1,750,100 1,692,500
Machinery and Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross 6,493,200 5,230,700
Furniture and Fixtures [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross $ 109,000 $ 101,600