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Accrued Liabilities (Tables)
 3 Months Ended
Jul. 26, 2013
Accrued Liabilities [Abstract]  
Schedule of Accrued Liabilities

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

July 26, 2013

 

April 26, 2013

Payroll and other compensation

   

$
9,540,854 

   

$
16,869,112 

Income tax and other tax accruals

 

 
1,479,502 

 

 
550,697 

Clinical study costs

 

 
1,274,526 

 

 
1,040,772 

Other accrued liabilities

 

 
2,048,440 

 

 
2,539,385 

 

   

$
14,343,322 

 

$
20,999,966