XML 30 R20.htm IDEA: XBRL DOCUMENT v3.20.4
INVENTORIES (Tables)
9 Months Ended
Nov. 30, 2020
Inventory Disclosure [Abstract]  
Schedule of Inventory [Table Text Block]
Inventories consist of the following:


   

2020

 
   

November 30,

   

February 29,

 

Current:

               

Book inventory

  $ 47,785,300     $ 30,346,900  

Inventory valuation allowance

    (471,500

)

    (259,600

)

Inventories net – current

  $ 47,313,800     $ 30,087,300  
                 

Noncurrent:

               

Book inventory

  $ 993,600     $ 1,226,500  

Inventory valuation allowance

    (239,400

)

    (209,800

)

Inventories net – noncurrent

  $ 754,200     $ 1,016,700