Long-Term Liabilities (Tables)

9 Months Ended

Jan. 25, 2013

Long-Term Liabilities [Abstract]

Schedule Of Long Term Liabilities

	January 25,		April 27,
	2013		2012
Liability for uncertain tax benefits	$	2,260,226	$	2,260,226
Deferred license revenue		1,841,361		2,961,837
Accrued clinical studies and other		258,283		180,126
	$	4,359,870	$	5,402,189