XML 47 R37.htm IDEA: XBRL DOCUMENT
v3.25.3

NET SALES (Details Narrative) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Revenue from Contract with Customer [Abstract] |  |  |  |
Percentage of revenue transferred to customers | 75.00% | 72.00% | 75.00% | 73.00%

X
- Definition Percentage of revenue transferred to customers. + References No definition available. + Details
Name: | NSYS_PercentageOfRevenueTransferredToCustomers
Namespace Prefix: | NSYS_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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