Investments (Tables)

12 Months Ended

Apr. 30, 2020

Investments, Debt and Equity Securities [Abstract]

Investments

Investments consist of the following (in thousands):

	April 30,
	2020		2019
Trading:
Debt securities—Tax-exempt state and municipal bonds	$	3,104	$	16,192
Marketable equity securities	11,758		11,002
	$	14,862	$	27,194

Contractual Maturities of Debt Securities Classified as Trading

The contractual maturities of debt securities classified as trading at April 30, 2020 and 2019 were as follows (in thousands):

	2020		2019
Due within one year	$	2,403	$	13,708
Due within two years	701		2,484
Due within three years	—		—
Due after three years	—		—
	$	3,104	$	16,192