Note 13 - Concentration Risks (Details Textual)		12 Months Ended
	Jun. 20, 2013	Dec. 31, 2015
Lease Agreement One [Member] | Minimum [Member]
Remaining Agreement Term		64 years
Lease Agreement One [Member]
Term of Agreement		99 years
Lease Agreements [Member]
Number of Agreements		2
Licensing Agreements [Member]
Term of Agreement		50 years
Number of Agreements		1
Remaining Agreement Term		15 years
Lease Agreement Two [Member] | Maximum [Member]
Remaining Agreement Term		65 years
Lease Agreement Two [Member]
Term of Agreement		99 years
Bargaining Agreement [Member]
Number of Agreements	2
Period After End of Month of Delivery When Payment is to Be Made		30 days
Entity Number of Employees		265
Number of Seasonal Employees		177
Number of Part Time Employees		4
Number of Farming Supervision and Management Employees		21
Number of Production Maintenance and Agricultural Operations Employees		224
Number of Accounting and Administration Employees		18
Number of Employees in Sales		2