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INCOME TAXES
3 Months Ended
Jun. 30, 2013
INCOME TAXES [Abstract]  
INCOME TAXES
NOTE 13. INCOME TAXES

During the three months ended June 30, 2013 and 2012, our income tax provision was $1.8 million, based on an effective tax rate of 36%, and $1.7 million, based on an effective tax rate of 37%, respectively. During the three months ended June 30, 2013, our effective tax rates were primarily impacted by (a) an increase in federal research and development tax credits, which was reinstated on January 2, 2013, and (b) a reduction in state tax expense, partially offset by (c) an increase in nondeductible share-based compensation expense.

We did not have any unrecognized tax benefits as of June 30, 2013 and March 31, 2013. During the three months ended June 30, 2013 and 2012, we did not recognize any interest or penalties related to unrecognized tax benefits.