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Note 4 - Inventories (Tables)
3 Months Ended
Jun. 30, 2013
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current [Table Text Block]
   

June 30, 2013

   

March 31, 2013

 

Raw Materials

  $ 47     $ 43  

Finished Goods

    15,070       10,887  

Total inventory

  $ 15,117     $ 10,930