Note 2 - Summary of Significant Accounting Policies (Details Textual)	12 Months Ended
Jun. 26, 2016 USD ($)
Software Development [Member]
Property, Plant and Equipment, Useful Life	3 years
Miscanthus Grass [Member]
Property, Plant and Equipment, Useful Life	15 years
Indefinite-Lived Intangible Assets (Excluding Goodwill)	$ 0

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

No definition available.

Name:	us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration