XML 128 R40.htm IDEA: XBRL DOCUMENT
v3.25.1

INVESTMENT IN AVAILABLE FOR SALE MARKETABLE SECURITIES (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
INVESTMENT IN AVAILABLE FOR SALE MARKETABLE SECURITIES |  |
Beginning Balance | $ 382,144 | $ 0
Additions | 0 | 552,527
Recognized losses | (239,869) | (170,383)
Ending Balance | $ 142,275 | $ 382,144

X
- References No definition available. + Details
Name: | nixx_AvailableForSaleSecurityNoncurrent
Namespace Prefix: | nixx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | nixx_PaymentsToAcquireAvailableForSaleSecurity
Namespace Prefix: | nixx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | nixx_RecognizedLosses
Namespace Prefix: | nixx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration