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Note 2 - Property, Plant, Equipment and Water Programs (Tables)
 6 Months Ended
Jun. 30, 2013
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment [Table Text Block]
   
June 30,
   
December 31,
 
   
2013
   
2012
 
             
Land and land improvements
  $ 24,191     $ 24,191  
Water programs
    21,324       21,324  
Buildings
    1,187       1,187  
Leasehold improvements
    570       570  
Furniture and fixtures
    458       458  
Machinery and equipment
    1,128       1,122  
Construction in progress
    97       103  
      48,955       48,955  
                 
Less accumulated depreciation
    (5,009 )     (4,881 )
                 
    $ 43,946     $ 44,074