XML 32 R17.htm IDEA: XBRL DOCUMENT v3.8.0.1

Basis of Presentation (Details Narrative)	3 Months Ended
	Mar. 31, 2018 Number
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of venues	2,703
Percentage of entertainment network	82.00%

X

- Definition

Number of venues.

+ References

No definition available.

+ Details

Name:	NTN_NumberOfVenues
Namespace Prefix:	NTN_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Percentage of Entertainment Network.

+ References

No definition available.

+ Details

Name:	NTN_PercentageOfEntertainmentNetwork
Namespace Prefix:	NTN_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration