Quarterly report pursuant to Section 13 or 15(d)

Reconciliation of Basic and Diluted Net Income (Loss) Per Common Share (Details 2)

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Reconciliation of Basic and Diluted Net Income (Loss) Per Common Share (Details 2)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Assumed conversion of employee stock options
       
Common stock equivalents that could potentially dilute net income per basic share in the future, but were not included in the computation of diluted earnings per share because the impact would have been antidilutive        
Common stock equivalents 1,454 903 1,444 710
Assumed conversion of warrants
       
Common stock equivalents that could potentially dilute net income per basic share in the future, but were not included in the computation of diluted earnings per share because the impact would have been antidilutive        
Common stock equivalents 6,591   6,929