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Changes in Stockholders' Equity and Comprehensive Income (Loss) (Tables)
6 Months Ended
Sep. 30, 2013
Stockholders' Equity Note [Abstract]  
Schedule of changes in Stockholders' Equity
 
             
Accumulated
 
   
Additional
         
Other
 
   
Paid-In
   
Retained
   
Comprehensive
 
   
Capital
   
Earnings
   
Loss
 
 Beginning balance at March 31, 2013:
  $ -     $ 63,987     $ (2 )
    Share based compensation
    732       -       -  
    Dividends declared
    -       (6,447 )     -  
    Net income
    -       8,905       -  
    Net change in unrealized loss on short term
                       
       investments
    -       -       (46 )
 Ending balance at September 30, 2013:
  $ 732     $ 66,445     $ (48 )