Schedule of Unrealized Gains (losses) Gains for All Equity Investments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2024	Apr. 30, 2023
Net losses recognized during the period on equity investments	$ (78)	$ (480)	$ (280)	$ (2,649)
Less: net gains recognized during the period on equity investments sold during the period			130	18
Unrealized losses recognized during the period on equity investments still held at the reporting date	(78)	(480)	(410)	(2,667)
Rafael Class B Common Stock [Member]
Unrealized losses recognized during the period on equity investments still held at the reporting date	(61)	11	(115)	20
Zedge Class B Common Stock [Member]
Unrealized losses recognized during the period on equity investments still held at the reporting date	$ (36)	$ (9)	$ 13	$ (33)