Major Suppliers (Details)	3 Months Ended
	Feb. 28, 2022	Feb. 28, 2021
Major Suppliers (Details) [Line Items]
Number of foreign supplier	1	1
Percentage of inventory purchased of products	32.00%
Elsewhere In Asia [Member] | Total Inventory Purchased [Member]
Major Suppliers (Details) [Line Items]
Percentage of inventory purchased of products	36.00%
Supplier Concentration Risk [Member] | Major Suppliers [Member] | Total Inventory Purchased [Member]
Major Suppliers (Details) [Line Items]
Percentage of inventory purchased of products		34.00%
Supplier Concentration Risk [Member] | Taiwan [Member] | Total Inventory Purchased [Member]
Major Suppliers (Details) [Line Items]
Percentage of inventory purchased of products	42.00%
Supplier Concentration Risk [Member] | Hong Kong [Member] | Total Inventory Purchased [Member]
Major Suppliers (Details) [Line Items]
Percentage of inventory purchased of products	17.00%
Supplier Concentration Risk [Member] | Overseas Outside of Asia [Member] | Total Inventory Purchased [Member]
Major Suppliers (Details) [Line Items]
Percentage of inventory purchased of products	1.00%