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Income Tax -Deferred taxes (Details 2) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2012
Income Tax -Deferred Taxes Details 1      
Deferred income tax    $ 2 $ 17
Current income tax expense    (31) (19)
Total income tax expense    $ (29) $ (2)