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Note 8 - FAIR VALUE MEASUREMENTS (Details) - USD ($)
Nov. 30, 2018
Feb. 28, 2018
Note 8 - FAIR VALUE MEASUREMENTS (Details) [Line Items]    
Lines of Credit, Fair Value Disclosure $ 0  
Fair Value, Inputs, Level 2 [Member]    
Note 8 - FAIR VALUE MEASUREMENTS (Details) [Line Items]    
Lines of Credit, Fair Value Disclosure   $ 0
Long-term Debt, Fair Value $ 19,164,000 $ 19,454,500