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Note 21 - Related Party Transactions (Details) - Revenue from Related Parties (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Related Party Transaction [Line Items]    
Revenue from related party $ 361 $ 197
Beijing Saimeiwei Food Equipment Technology [Member]
   
Related Party Transaction [Line Items]    
Revenue from related party 239 123
Beijing Fengshangyinli Technology [Member]
   
Related Party Transaction [Line Items]    
Revenue from related party 7 2
Beijing Telijie Century Environmental Technology [Member]
   
Related Party Transaction [Line Items]    
Revenue from related party $ 115 $ 72