INVENTORIES (Tables)
3 Months Ended
May 31, 2020
Inventory Disclosure [Abstract]  
Schedule of Inventory [Table Text Block]
Inventories consist of the following:


   

2020

 
   

May 31,

   

February 29,

 

Current:

               

Book inventory

  $ 27,479,000     $ 30,346,900  

Inventory valuation allowance

    (316,600

)

    (259,600

)

Inventories net – current

  $ 27,162,400     $ 30,087,300  
                 

Noncurrent:

               

Book inventory

  $ 1,021,400     $ 1,226,500  

Inventory valuation allowance

    (240,600

)

    (209,800

)

Inventories net – noncurrent

  $ 780,800     $ 1,016,700