Note 8 - Line of Credit and Long-term Debt (Tables)
 12 Months Ended
Feb. 29, 2020
Notes Tables  
Schedule of Long-term Debt Instruments [Table Text Block]
   
2020
    
2019
  
Note payable in monthly installments of principal and interest at 3.75% per annum through December 2019 collateralized by sustantially all business assets
   $
-
     $
1,176,488
  
Less current maturities
    
-
      
1,176,488
  
Long-term obligations
   $
-
     $
-