INVENTORIES (Details) - Schedule of Inventory - USD ($)	Nov. 30, 2020	Feb. 29, 2020
Inventory Current [Member]
Current:
Book inventory	$ 47,785,300	$ 30,346,900
Inventory valuation allowance	(471,500)	(259,600)
Inventories net	47,313,800	30,087,300
Inventory, Noncurrent [Member]
Current:
Book inventory	993,600	1,226,500
Inventory valuation allowance	(239,400)	(209,800)
Inventories net	$ 754,200	$ 1,016,700