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Income Tax (Details 3) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Reconciliation of the beginning and ending amount of unrecognized tax benefits    
Beginning Balance $ 733 $ 413
Additions for prior year tax positions 405 455
Reductions for prior year tax positions (263) (135)
Ending Balance $ 875 $ 733