Note 3 - Inventories (Tables)
 12 Months Ended
Dec. 31, 2013
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current [Table Text Block]
   

As of December 31,

 
   

2013

   

2012

 

Work in process

  $ 26,605     $ 20,992  

Finished goods

    13,132       11,123  

Total inventories

  $ 39,737     $ 32,115