Note 1 - Organization and Description of Business (Details)	12 Months Ended
Sep. 30, 2018
Details
Entity Incorporation, State Country Name	Delaware

State or Country Name where an entity is incorporated

No definition available.

Name:	dei_EntityIncorporationStateCountryName
Namespace Prefix:	dei_
Data Type:	xbrli:normalizedStringItemType
Balance Type:	na
Period Type:	duration