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Revenue Recognition (Details Narrative) $ in Thousands	6 Months Ended
	Jun. 30, 2019 USD ($) Number	Dec. 31, 2018 USD ($)
Number of venues	2,609
Buffalo Wild Wings [Member]
Number of venues	2,609
Owned percentage	47.00%
Revenue recognition included in accounts receivable | $	$ 252	$ 552

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- Definition

Number of venues.

+ References

No definition available.

+ Details

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- Definition

Revenue recognition included in accounts receivable.

+ References

No definition available.

+ Details

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Namespace Prefix:	NTN_
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Balance Type:	debit
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X

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

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- Details

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