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Note 5 - Assets Held for Sale and Real Estate Sales (Tables)
 9 Months Ended
Sep. 30, 2019
Notes Tables  
Disclosure of Long Lived Assets Held-for-sale [Table Text Block]
   
September 30
,
201
9
(unaudited)
    
December 31,
201
8
(audited)
  
   
(in
thousands)
  
Upcountry Maui, 630-acre parcel of agricultural land
   $
156
     $
156
  
Upcountry Maui, 33-acre parcel of agricultural land and wastewater treatment facility
    
-
      
56
  
Assets held for sale
   $
156
     $
212