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2. INVENTORIES (Tables)
12 Months Ended
Feb. 28, 2019
Inventory Disclosure [Abstract]  
Schedule of Inventory [Table Text Block]
Inventories consist of the following:

   

February 28,

 
   

2019

   

2018

 

Current:

               

Book inventory

  $ 33,494,200     $ 27,078,600  

Inventory valuation allowance

    (48,600

)

    (460,000

)

Inventories net - current

  $ 33,445,600     $ 26,618,600  
                 

Noncurrent:

               

Book inventory

  $ 904,400     $ 707,700  

Inventory valuation allowance

    (329,400

)

    (271,800

)

Inventories net - noncurrent

  $ 575,000     $ 435,900