Equity Investments (Tables)

6 Months Ended

Jan. 31, 2021

Equity Investments Disclosure [Abstract]

Schedule of equity investments

	January 31, 2021		July 31, 2020
	(in thousands)
Zedge, Inc. Class B common stock, 42,282 shares at January 31, 2021 and July 31, 2020	$	307	$	59
Rafael Holdings, Inc. Class B common stock, 28,320 and 27,806 shares at January 31, 2021 and July 31, 2020, respectively		665		389
Fixed income mutual funds		23,374		5,516
Current equity investments	$	24,346	$	5,964
Visa Inc. Series C Convertible Participating Preferred Stock (“Visa Series C Preferred”)	$	1,939	$	3,825
Visa Inc. Series A Convertible Participating Preferred Stock (“Visa Series A Preferred”)		2,416		—
Rafael Holdings, Inc. warrant		380		—
Hedge funds		3,481		4,783
Other		2,225		225
Noncurrent equity investments	$	10,441	$	8,833

Schedule of carrying value of equity investments

	Three Months Ended January 31,				Six Months Ended January 31,
	2021		2020		2021			2020
	(in thousands)
Balance, beginning of period	$	2,109	$	3,937	$	4,109		$	3,919
Redemption for Visa mandatory release assessment		—		—		(1,870	)		—
Adjustment for observable transactions involving a similar investment from the same issuer		114		408		(16	)		426
Impairments		—		—		—			—
Balance, end of the period	$	2,223	$	4,345	$	2,223		$	4,345

Schedule of unrealized (losses) gains for all equity investments

	Three Months Ended January 31,				Six Months Ended January 31,
	2021		2020		2021		2020
	(in thousands)
Net gains recognized during the period on equity investments	$	1,307	$	383	$	387	$	409
Less: net gains and losses recognized during the period on equity investments sold during the period		—		—		—		—
Unrealized gains recognized during the period on equity investments still held at the reporting date	$	1,307	$	383	$	387	$	409