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Other Accrued Liabilities
 12 Months Ended
Apr. 30, 2013
Other Accrued Liabilities
9. OTHER ACCRUED LIABILITIES

Other accrued liabilities, classified as current liabilities, at April 30, 2013 and 2012 consist of the following:

 

     April 30,  
     2013      2012  

Maine Energy impairment reserve

    $ 4,500       $ —     

Other accrued liabilities

      16,514         14,119   
  

 

 

     

 

 

  

Total other accrued liabilities

    $ 21,014       $ 14,119