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Note 8 - Property, Plant and Equipment (Tables)
3 Months Ended
Mar. 31, 2013
Property, Plant and Equipment [Table Text Block]
   
March 31,
2013
   
December 31,
2012
 
PV solar systems
  $ 20,800     $ 20,783  
Plant and machinery
    33       33  
Furniture, fixtures and equipment
    385       388  
Computers and software
    1,498       1,499  
Trucks
    -       44  
Leasehold improvements
    94       96  
      22,810       22,843  
Less: accumulated depreciation
    (4,310 )     (4,089 )
    $ 18,500     $ 18,754