Description of Business and Summary of Significant Accounting Policies (Details) $ in Millions	12 Months Ended
Jul. 31, 2021 USD ($)	Jul. 31, 2020
Description of Business and Summary of Significant Accounting Policies (Details) [Line Items]
Business description	The Company conducts business as a single operating segment.
Cash and cash equivalents (in Dollars)	$ 24.9
Net cash (in Dollars)	$ 14.4
License fees, percentage	30.00%
Subscription revenue,percentage	30.00%
Credit purchase, description	Zedge Credits (ranging from 500 credits for $0.99 to 14,000 credits for $19.99), Google Play or iTunes retains 30% of the purchase price as its fee. When a user purchases Zedge Premium content, the artist or brand receives 70% of the actual revenue (“Royalty Payment”) and the Company receives the remaining 30%, which is recognized as revenue.
Income tax benefit, percentage	50.00%
Operating lease term	1 year
Recognize leases terms	1 year
Revenue Benchmark [Member] \| Customer One [Member]
Description of Business and Summary of Significant Accounting Policies (Details) [Line Items]
Number of customers	3	2
Concentration risk, percentage	30.00%	29.00%
Revenue Benchmark [Member] \| Customer Two [Member]
Description of Business and Summary of Significant Accounting Policies (Details) [Line Items]
Concentration risk, percentage	22.00%	26.00%
Revenue Benchmark [Member] \| Customer Three [Member]
Description of Business and Summary of Significant Accounting Policies (Details) [Line Items]
Concentration risk, percentage	12.00%
Accounts Receivable [Member] \| Customer One [Member]
Description of Business and Summary of Significant Accounting Policies (Details) [Line Items]
Number of customers	2	2
Concentration risk, percentage	37.00%	35.00%
Accounts Receivable [Member] \| Customer Two [Member]
Description of Business and Summary of Significant Accounting Policies (Details) [Line Items]
Concentration risk, percentage	28.00%	32.00%
Software and Software Development Costs [Member]
Description of Business and Summary of Significant Accounting Policies (Details) [Line Items]
Estimated useful lives of long-lived assets	3 years
Furniture and Fixtures [Member]
Description of Business and Summary of Significant Accounting Policies (Details) [Line Items]
Estimated useful lives of long-lived assets	5 years
Property and Equipment [Member]
Description of Business and Summary of Significant Accounting Policies (Details) [Line Items]
Estimated useful lives of long-lived assets	3 years

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 210
-Section 45
-Paragraph 20
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Amount of short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Percentage of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to deduction for Medicare prescription drug benefit subsidy.

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- Definition

Remaining lease term of operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Business description.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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- Definition

Description of credit purchase price.

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- Definition

For hat discloses license fees to be paid by the percentage.

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No definition available.

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- Definition

Number of customers.

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- Definition

Revenue of subscription fess by percent.

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