INVENTORIES (Details) - Schedule of Inventory, Noncurrent - USD ($)	May 31, 2021	Feb. 28, 2021
Inventory Current [Member]
Current:
Book inventory	$ 57,052,600	$ 52,276,200
Inventory valuation allowance	(497,500)	(513,800)
Inventories net	56,555,100	51,762,400
Inventory, Noncurrent [Member]
Current:
Book inventory	1,005,600	894,300
Inventory valuation allowance	(245,000)	(209,000)
Inventories net	$ 760,600	$ 685,300