Investments (Tables)

3 Months Ended

Jul. 26, 2013

Schedule of Cost Method Investments [Table Text Block]



	July 26, 2013		April 26, 2013
ImThera Medical, Inc. - convertible preferred shares ⁽¹⁾	$	8,000,002	$	8,000,002
Cerbomed GmbH - convertible preferred shares ⁽²⁾		2,588,200		2,588,200
Carrying amount – long-term investments	$	10,588,202	$	10,588,202

(1)

ImThera Medical, Inc. (“ImThera”) is a privately-held company focused on developing a neurostimulation device system for the treatment of obstructive sleep apnea. See “Note 14. Fair Value Measurements” for further details regarding this investment. This investment provides us with less than 20% ownership without significant influence over the entity involved. We are contractually committed to purchase one additional tranche of convertible preferred stock of $4.0 million contingent on ImThera attaining certain performance goals.

(2)

Cerbomed GmbH (“Cerbomed”) is a privately-held German company focused on developing a transcutaneous vagus nerve stimulation device for the treatment of epilepsy. This investment provides us with less than 20% ownership and no significant influence over the entity involved. See “Note 14. Fair Value Measurements” for further details regarding this investment.