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INVESTMENT IN AVAILABLE FOR SALE MARKETABLE SECURITIES (Details) - USD ($)	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
INVESTMENT IN AVAILABLE FOR SALE MARKETABLE SECURITIES
Beginning balance	$ 382,144	$ 0
Additions	0	0
Recognized losses	(246,532)	0
Ending balance	$ 135,612	$ 0

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- References

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+ Details

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Namespace Prefix:	nixx_
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Balance Type:	debit
Period Type:	instant

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Namespace Prefix:	nixx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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Namespace Prefix:	nixx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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