Concentrations and Risks (Details) - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Jun. 30, 2019
Concentration and Risks (Textual)
Cash balance	$ 42,087,793		$ 42,087,793		$ 35,330,676
Total sales [Member] | Customer Four [Member]
Concentration and Risks (Textual)
Concentration risk, percentage	10.00%		10.00%
Total sales [Member] | Customer One [Member]
Concentration and Risks (Textual)
Concentration risk, percentage	12.00%	15.00%	13.00%	14.00%
Total sales [Member] | Customer Two [Member]
Concentration and Risks (Textual)
Concentration risk, percentage	10.00%	12.00%	11.00%	11.00%
Total sales [Member] | Customer Three [Member]
Concentration and Risks (Textual)
Concentration risk, percentage	10.00%		10.00%	11.00%
Total sales [Member] | Customer Four [Member]
Concentration and Risks (Textual)
Concentration risk, percentage				11.00%
Total sales [Member] | Customer Five [Member]
Concentration and Risks (Textual)
Concentration risk, percentage				11.00%
Total purchases [Member] | Vendor One [Member]
Concentration and Risks (Textual)
Concentration risk, percentage	45.00%	28.00%	41.00%	45.00%
Total purchases [Member] | Vendor Two [Member]
Concentration and Risks (Textual)
Concentration risk, percentage	13.00%		14.00%	15.00%
Total purchases [Member] | Vendor Three [Member]
Concentration and Risks (Textual)
Concentration risk, percentage				10.00%
Accounts Receivable [Member] | Customer One [Member]
Concentration and Risks (Textual)
Concentration risk, percentage	70.00%
Accounts Receivable [Member] | Customer Two [Member]
Concentration and Risks (Textual)
Concentration risk, percentage	70.00%
Accounts Receivable [Member] | Customer Three [Member]
Concentration and Risks (Textual)
Concentration risk, percentage	70.00%
Accounts Receivable [Member] | Customer Four [Member]
Concentration and Risks (Textual)
Concentration risk, percentage	70.00%
Accounts Receivable [Member] | Customer Five [Member]
Concentration and Risks (Textual)
Concentration risk, percentage	70.00%
China [Member]
Concentration and Risks (Textual)
Cash balance	$ 42,070,119		$ 42,070,119		$ 35,311,106
China [Member] | Assets, Total [Member]
Concentration and Risks (Textual)
Concentration risk, percentage			100.00%	100.00%