Consolidated Statements of Stockholders' Equity (Parentheticals)	Dec. 31, 2017 $ / shares
Investor Relations Consultant [Member]
Price of shares issued (in dollars per share)	$ 1.58

Per share or per unit amount of equity securities issued.

No definition available.

Name:	us-gaap_SharesIssuedPricePerShare
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant