Quarterly report pursuant to Section 13 or 15(d)

STOCK INCENTIVE PLANS AND SHARE-BASED COMPENSATION (Details Textual)

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STOCK INCENTIVE PLANS AND SHARE-BASED COMPENSATION (Details Textual) (USD $)
3 Months Ended 6 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Percentage Of Fair Market Value Of Stock Offered Under Employee Stock Purchase Plan     15.00%  
Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Grants In Period, Weighted Average Grant Date Fair Value $ 1.99 $ 3.25 $ 2.00 $ 3.19