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INCOME TAXES (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Jun. 30, 2012
Jun. 30, 2011
INCOME TAXES [Abstract]    
Gross liability related to uncertain tax positions $ 316  
Impact of recognizing the unrecognized tax benefit 426  
Interest on income taxes expense included in statement of operation 4 11
Accrued interest on income taxes $ 185 $ 155