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RENTAL INCOME (Tables) | 9 Months Ended
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Sep. 30, 2018
RENTAL INCOME |
Schedule of minimum future annual rental income on non-cancellable operating leases | Approximately 7% was related to commercial properties, which have minimum future annual rental income on non-cancellable operating leases at September 30, 2018 as follows:
|  | Commercial |
|  | Property Leases |
2019 |  | $ | 2,613,000 |
2020 |  |  | 2,185,000 |
2021 |  |  | 1,879,000 |
2022 |  |  | 1,040,000 |
2023 |  |  | 622,000 |
Thereafter |  |  | 872,000 |
|  | $ | 9,211,000 |
Schedule of information for commercial leases |
|  | Annual base |  |  |  |  |  | Percentage of |
|  | rent for |  | Total square feet |  | Total number of |  | annual base rent for |
Through September 30, |  | expiring leases |  | for expiring leases |  | leases expiring |  | expiring leases |
2019 |  | $ | 564,242 |  | 27,747 |  | 17 |  | 19 | %
2020 |  |  | 165,607 |  | 4,033 |  | 5 |  | 6 | %
2021 |  |  | 856,606 |  | 36,895 |  | 9 |  | 29 | %
2022 |  |  | 519,523 |  | 16,343 |  | 6 |  | 18 | %
2023 |  |  | 405,072 |  | 12,546 |  | 6 |  | 14 | %
2024 |  |  | 251,627 |  | 6,629 |  | 2 |  | 9 | %
2025 |  |  | — |  | — |  | — |  | — | %
2026 |  |  | — |  | — |  | — |  | — | %
2027 |  |  | — |  | — |  | — |  | — | %
2028 |  |  | — |  | — |  | — |  | — | %
2029 |  |  | 142,450 |  | 3,850 |  | 1 |  | 5 | %
Totals |  | $ | 2,905,127 |  | 108,043 |  | 46 |  | 100 | %

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- Definition Tabular disclosure of information related to commercial leases, including annual base rent, total square feet, total number, and percentage of annual base rent for expiring leases. + References No definition available. + Details
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- Definition Tabular disclosure of future minimum rental receivable in the aggregate and for each of the five succeeding fiscal years for noncancelable operating leases. + References No definition available. + Details
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Namespace Prefix: | nen_
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- References No definition available. + Details
Name: | us-gaap_LeasesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration