Related Party Transactions (Details) - USD ($)	1 Months Ended	12 Months Ended
	Nov. 01, 2012	Jul. 31, 2019	Jul. 31, 2018	Jul. 31, 2017
Related Party Transactions (Textual)
Annual rent payment	$ 60,900
Lease period	1 year
Lease renewal period	1 year
Outstanding net loan receivable from employees		$ 200,000	$ 200,000
Genie and Subsidiaries [Member]
Related Party Transactions (Textual)
Receivable from subsidiaries included in other current assets		200,000	300,000
Cost and expenses related to services		1,000,000	1,300,000	$ 1,600,000
Mason and Co [Member]
Related Party Transactions (Textual)
Commissions and fees from payment by company		24,000	22,000	22,000
Jonas Media Group [Member]
Related Party Transactions (Textual)
Receivable from subsidiaries included in other current assets		15,000	17,000
Rent received for office space, connectivity and other services		15,000	17,000	22,000
Zedge [Member]
Related Party Transactions (Textual)
Receivable from subsidiaries included in other current assets		16,000	34,000
Cost and expenses related to services		$ 100,000	$ 300,000	1,000,000
Shares held		42,282	42,282
Real estate advisory services		$ 100,000
Rafael Pharmaceuticals, Inc. [Member]
Related Party Transactions (Textual)
Receivable from subsidiaries included in other current assets		100,000	$ 1,000,000
Cost and expenses related to services			400,000	600,000
Rafael Spin-Off [Member]
Related Party Transactions (Textual)
Cost and expenses related to services		400,000	200,000
Cash collected from third party tenants		$ 200,000	300,000
Owed amount			$ 400,000
Shares held		27,419	25,803
IGM Brokerage Corp. [Member]
Related Party Transactions (Textual)
Commissions and fees from payment by company		$ 29,000	$ 29,000	$ 24,000