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Stock Repurchases (Tables)
12 Months Ended
Mar. 31, 2016
Stock Repurchases Tables  
Stock Repurchases [Table Text Block]

The stock repurchase activity as of March 31, 2016 is summarized as follows:

          Weighted      
          Average      
    Shares     Price     Amount
    Repurchased     Per Share     Repurchased(1)
Balance as of March 31, 2014            
Repurchase of common stock                
under 2015 Repurchase Plan   2,488,215    $ 7.38    $ 19,200,393 
Balance as of March 31, 2015   2,488,215      7.38      19,200,393 
Repurchase of common stock                
under 2015 Repurchase Plan   1,392,135      8.02      11,164,329 
Balance as of March 31, 2016   3,880,350    $ 7.83    $ 30,364,722 
                 
(1) Amount excludes commission fees.