Note 3 - Marketable Securities

3 Months Ended

Jul. 31, 2017

Notes to Financial Statements

Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]

(

3

) Marketable Securities

Marketable securities with initial maturities greater than

three

months but that mature within

one

year from the balance sheet date are classified as current assets and are summarized as follows:

	July 31, 2017		April 30, 2017
	(in thousands)
Certificate of Deposit	$	25	$	25