Equity Investments (Tables)

6 Months Ended

Jan. 31, 2020

Equity Investments [Abstract]

Schedule of equity investments

	January 31, 2020		July 31, 2019
	(in thousands)
Zedge, Inc. Class B common stock, 42,282 shares at January 31, 2020 and July 31, 2019	$	72	$	68
Rafael Holdings, Inc. Class B common stock, 27,419 shares at January 31, 2020 and July 31, 2019		555		567
Mutual funds		5,263		5,053
Current equity investments	$	5,890	$	5,688
Visa Inc. Series C Convertible Participating Preferred Stock ("Visa Series C Preferred")	$	4,045	$	3,619
Hedge funds		5,322		5,475
Other		225		225
Noncurrent equity investments	$	9,592	$	9,319

Schedule of carrying value of equity investments

	Three Months Ended January 31,					Six Months Ended January 31,
	2020		2019			2020		2019
	(in thousands)
Balance, beginning of period	$	3,937	$	3,118		$	3,919	$	1,883
Adoption of change in accounting for equity investments		—		—			—		1,213
Adjusted balance		3,937		3,118			3,919		3,096
Adjustment for observable transactions involving a similar investment from the same issuer		408		(71	)		426		(49	)
Redemptions		—		(2	)		—		(2	)
Impairments		—		—			—		—
Balance, end of the period	$	4,345	$	3,045		$	4,345	$	3,045

Schedule of unrealized gains and losses for all equity investments

	Three Months Ended January 31,				Six Months Ended January 31,
	2020		2019		2020		2019
	(in thousands)
Net gains recognized during the period on equity investments	$	383	$	128	$	409	$	81
Less: net gains and losses recognized during the period on equity investments redeemed during the period		—		—		—		—
Unrealized gains recognized during the period on equity investments still held at the reporting date	$	383	$	128	$	409	$	81