Subsequent Event (Details) - 1 months ended Jul. 31, 2018 - Jiuyuan [Member] - Subsequent Event [Member] $ in Millions	USD ($)	CNY (¥)
Subsequent Event (Textual)
Loan amount	$ 0.2	¥ 1,300,000
Repayment of loan	$ 0.4	¥ 2,570,000

Amount of cash outflow for the payment of debt classified as other.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585

Name:	us-gaap_RepaymentsOfOtherDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration