Investments

Short-Term Investments Detail. Our short-term investments consist of securities with maturities of six months and carried at amortized cost. Refer to “Note 16. Fair Value Measurements.”



	October 18, 2015		April 24, 2015
Certificates of deposits (1)	$	—	$	20,023,145
Commercial paper	6,999,067		6,996,452
	$	6,999,067	$	27,019,597


(1)	During the quarter ended July 24, 2015, our six-month CD matured, was re-invested in a three-month CD and was classified with cash equivalents in the consolidated balance sheet.

Long-Term Investments Detail. Our long-term investments consist of equity positions in two privately-held companies carried at original cost less impairment under the cost-method. Refer to “Note 16. Fair Value Measurements.”



	October 18, 2015		April 24, 2015
ImThera Medical, Inc. - convertible preferred shares and warrants (1)	$	12,000,002	$	12,000,002
Cerbomed GmbH - convertible preferred shares (2)	3,062,641		5,126,925
Carrying amount – long-term investments	$	15,062,643	$	17,126,927


(1)	ImThera Medical, Inc. is developing a neurostimulation device system for the treatment of obstructive sleep apnea.


(2)	Cerbomed GmbH (“Cerbomed”) is a German company developing a transcutaneous vagus nerve stimulation device for the treatment of epilepsy. During the quarter ended July 24, 2015, we recorded an other-than-temporary impairment of $2.1 million against our investment. Refer to “Note 16. Fair Value Measurements.”