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Note 2 - Summary of Principal Accounting Policies (Tables)
9 Months Ended
Nov. 30, 2018
Notes Tables  
Schedule of Variable Interest Entities [Table Text Block]
   
November 30
,
 
   
201
8
 
Current assets
  $
2,366,337
 
Non-current assets
   
-
 
Total assets
  $
2,366,337
 
         
Current liabilities
  $
2,790,689
 
Non-current liabilities
   
-
 
Total liabilities
  $
2,790,689