Equity Investments (Tables)

3 Months Ended

Oct. 31, 2019

Equity Investments [Abstract]

Schedule of equity investments

	October 31, 2019		July 31, 2019
	(in thousands)
Zedge, Inc. Class B common stock, 42,282 shares at October 31, 2019 and July 31, 2019	$	74	$	68
Rafael Holdings, Inc. Class B common stock, 27,419 shares at October 31, 2019 and July 31, 2019		476		567
Mutual funds		5,160		5,053
Current "Equity investments"	$	5,710	$	5,688
Visa Inc. Series C Convertible Participating Preferred Stock ("Visa Series C Preferred")	$	3,637	$	3,619
Hedge funds		5,475		5,475
Other		225		225
Noncurrent "Equity investments"	$	9,337	$	9,319

Schedule of carrying value of equity investments

	Three Months Ended October 31,
	2019		2018
	(in thousands)
Balance, beginning of period	$	3,919	$	1,883
Adoption of change in accounting for equity investments		—		1,213
Adjusted balance		3,919		3,096
Adjustment for observable transactions involving a similar investment from the same issuer		18		22
Impairments		—		—
Balance, end of the period	$	3,937	$	3,118

Schedule of unrealized gains and losses for all equity investments

	Three Months Ended October 31,
	2019		2018
	(in thousands)
Net gains (losses) recognized during the period on equity investments	$	26	$	(46	)
Less: net gains and losses recognized during the period on equity investments sold during the period		—		—
Unrealized gains (losses) recognized during the period on equity investments still held at the reporting date	$	26	$	(46	)