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Security Deposits and Other Assets (Details Narrative) (Brooklyn ImmunoTherapeutics, LLC) - Brooklyn Immunotherapeutics, LLC [Member] - USD ($)	Jul. 02, 2019	Jun. 14, 2018	Feb. 09, 2017	Jan. 24, 2020
Security deposit				$ 84,915
Lease expiration date	Dec. 31, 2025
Lease Agreement [Member]
Security deposit		$ 63,220
Lease expiration date		Dec. 28, 2025
Master Services Agreement [Member]
Lease expiration date			Oct. 23, 2020
Amount paid to service provider			$ 300,401
Retainer percentage			10.00%

X

- Definition

Amount paid to service provider.

+ References

No definition available.

+ Details

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Namespace Prefix:	NTN_
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Balance Type:	credit
Period Type:	duration

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- Definition

Retainer percentage.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Date which lease or group of leases is set to expire, in CCYY-MM-DD format.

+ References

No definition available.

+ Details

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X

- Definition

The amount of an asset, typically cash, provided to a counterparty to provide certain assurance of performance by the entity pursuant to the terms of a written or oral agreement, such as a lease.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.8,17)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
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Period Type:	instant

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- Details

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- Details

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- Details

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