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Stock-Based Compensation Stock-Based Compensation (Details) (USD $)
3 Months Ended 6 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Employee Stock Purchase Plan [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Expected life (years) 6 months 6 months 6 months 6 months
Risk-free interest rate 0.10% 0.10% 0.10% 0.10%
Volatility 57.00% 57.00% 57.00% 57.00%
Dividend yield 0.00% 0.00% 0.00% 0.00%
Weighted average fair value $ 2.57 $ 3.67 $ 2.57 $ 3.67
Equity Option [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Expected life (years)       4 years 5 months
Risk-free interest rate       0.60%
Volatility       49.00%
Dividend yield       0.00%
Weighted average fair value   $ 2.95   $ 2.95