Major Suppliers and Customers (Details)	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Major Suppliers and Customers (Details) [Line Items]
Number of suppliers	3	3
Concentration risk, percentage	91.00%	85.00%
Number of customers	6	6
Purchase [Member]
Major Suppliers and Customers (Details) [Line Items]
Concentration risk, percentage	78.00%	75.00%
Supplier One [Member] | Purchase [Member]
Major Suppliers and Customers (Details) [Line Items]
Concentration risk, percentage	40.00%	28.00%
Supplier Two [Member] | Purchase [Member]
Major Suppliers and Customers (Details) [Line Items]
Concentration risk, percentage	22.00%	27.00%
Supplier Three [Member] | Purchase [Member]
Major Suppliers and Customers (Details) [Line Items]
Concentration risk, percentage	16.00%	21.00%
Customer One [Member] | Total sales [Member]
Major Suppliers and Customers (Details) [Line Items]
Concentration risk, percentage	23.00%	21.00%
Customer Two [Member] | Total sales [Member]
Major Suppliers and Customers (Details) [Line Items]
Concentration risk, percentage	18.00%	17.00%
Customer Three [Member] | Total sales [Member]
Major Suppliers and Customers (Details) [Line Items]
Concentration risk, percentage	16.00%	15.00%
Customer Four [Member] | Total sales [Member]
Major Suppliers and Customers (Details) [Line Items]
Concentration risk, percentage	13.00%	12.00%
Customer Five [Member] | Total sales [Member]
Major Suppliers and Customers (Details) [Line Items]
Concentration risk, percentage	12.00%	11.00%
Customer Six {Member] | Total sales [Member]
Major Suppliers and Customers (Details) [Line Items]
Concentration risk, percentage	9.00%	9.00%