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Divestiture Transactions and Discontinued Operations (Tables)
12 Months Ended
Apr. 30, 2013
Schedule of Revenues and Loss Before Income Taxes Attributable to Discontinued Operations
Revenues and loss before income taxes attributable to discontinued operations for the fiscal year ended April 30, 2013, 2012 and 2011, respectively, are as follows:

 

     Fiscal Year Ended April 30,  
     2013      2012      2011  

Revenues

     $ 12,033         $     12,865         $     73,889     

Loss before income taxes

     $     (4,480)          $ (1,025)          $ (3,492)