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BALANCE SHEET DETAIL - Note 4
6 Months Ended
Sep. 30, 2011
Notes to Financial Statements 
BALANCE SHEET DETAIL - Note 4

4. BALANCE SHEET DETAIL

      September 30,         March 31,    
      2011     2011
Inventory (in thousands):            
     Work-in-process   $ 142   $ 1,510
     Finished goods                                             512     595
    $ 654   $ 2,105