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Note 2 - INVENTORIES (Tables)
3 Months Ended
May 31, 2019
Inventory Disclosure [Abstract]  
Schedule of Inventory [Table Text Block]
Inventories consist of the following:

   

2019

 
   

May 31,

   

February 28,

 

Current:

               

Book inventory

  $ 33,646,400     $ 33,494,200  

Inventory valuation allowance

    (138,500 )     (48,600 )

Inventories net - current

  $ 33,507,900     $ 33,445,600  
                 

Noncurrent:

               

Book inventory

  $ 892,000     $ 904,400  

Inventory valuation allowance

    (336,000 )     (329,400 )

Inventories net - noncurrent

  $ 556,000     $ 575,000