Other Long-Term Assets - Deposits (Details Textual)	6 Months Ended
	Dec. 31, 2018 USD ($)
Other Long-Term Assets - Deposits (Textual)
Deposits are refundable amount	$ 2,910,000
RMB [Member]
Other Long-Term Assets - Deposits (Textual)
Deposits are refundable amount	$ 20,000,000