v3.26.1
DIVIDEND POLICY (Details Narrative)
6 Months Ended
Jun. 30, 2026
$ / shares
Dividends, per share - annual
$ 0.10
Board Of Directors [Member]
Dividends, per share - semi-annual
$ 0.05
X
- References
No definition available.
+ Details
Name:
nssi_DividendsPerShare
Namespace Prefix:
nssi_
Data Type:
dtr-types:perShareItemType
Balance Type:
na
Period Type:
duration
X
- References
No definition available.
+ Details
Name:
nssi_DividendsPerShareAnnual
Namespace Prefix:
nssi_
Data Type:
dtr-types:perShareItemType
Balance Type:
na
Period Type:
duration
X
- Details
Name:
srt_TitleOfIndividualAxis=nssi_BoardOfDirectorsMember
Namespace Prefix:
Data Type:
na
Balance Type:
Period Type: