Accrued Liabilities

9 Months Ended

Jan. 25, 2013

Accrued Liabilities [Abstract]

Accrued Liabilities

Note 8.  Accrued Liabilities

Accrued liabilities consisted of the following:

	January 25,		April 27,
	2013		2012
Payroll and other compensation	$	12,915,163	$	14,540,169
Clinical costs		1,427,347		790,081
Income tax and other tax accruals		568,771		1,011,457
Other		2,184,585		1,804,481
	$	17,095,866	$	18,146,188