Consolidated Statements of Convertible Preferred Stock and Stockholders' Equity (Unaudited) (Parentheticals)		3 Months Ended
Nov. 17, 2017	Sep. 30, 2018
Reverse Stock Split [Member]
Reverse stock split	30	30

Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SAB TOPIC 4.C)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187143-122770

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Period Type:	duration