XML 55 R19.htm IDEA: XBRL DOCUMENT v2.4.0.6
Note 2 - Accounting Policies (Tables)
6 Months Ended
Jun. 30, 2012
Schedule of Investments in and Advances to Affiliates, Schedule of Investments [Table Text Block]
Income statement data
 
2012
   
2011
 
             
Revenue
  $ 63,502     $ 61,402  
Gross profit
    17,393       14,219  
Net income
    8,877       6,261  
Equity in earnings of affiliated companies
    2,387       1,615  
Schedule of Variable Interest Entities [Table Text Block]
Income statement data
 
2012
   
2011
 
             
Revenue
  $ 41,559     $ 24,471  
Gross profit
    6,097       2,240  
Net income (loss)
    433       (661 )