Concentrations (Details)	3 Months Ended		9 Months Ended
	Mar. 31, 2020 Suppliers Customers	Mar. 31, 2019 Suppliers Customers	Mar. 31, 2020 Suppliers Customers	Mar. 31, 2019 Suppliers Customers
Concentrations (Textual)
Number of customer | Customers	2	3	3	3
Number of suppliers | Suppliers	2	4	4	3
Revenues [Member] | Major Supplier One [Member]
Concentrations (Textual)
Concentrations risks, percentage	48.30%	40.00%	27.20%	24.30%
Revenues [Member] | Major Supplier Two [Member]
Concentrations (Textual)
Concentrations risks, percentage	28.00%	15.30%	24.70%	12.50%
Revenues [Member] | Major Supplier Three [Member]
Concentrations (Textual)
Concentrations risks, percentage		14.80%	18.20%	10.40%
Revenues [Member] | Major Supplier Four [Member]
Concentrations (Textual)
Concentrations risks, percentage		10.50%	10.00%
Revenues [Member] | Major Customer One [Member]
Concentrations (Textual)
Concentrations risks, percentage	62.20%	61.90%	40.00%	35.40%
Revenues [Member] | Major Customer Two [Member]
Concentrations (Textual)
Concentrations risks, percentage	36.90%	14.70%	29.10%	16.40%
Revenues [Member] | Major Customer Three [Member]
Concentrations (Textual)
Concentrations risks, percentage		11.60%	28.30%	13.30%
Accounts receivable [Member] | Major Customer One [Member]
Concentrations (Textual)
Concentrations risks, percentage			85.90%	41.20%