Consolidated Balance Sheets - USD ($)	Dec. 31, 2015	Dec. 31, 2014
Real estate assets and lease intangibles:
Land	$ 49,965,418	$ 40,422,812
Buildings and improvements	177,360,584	128,719,410
Tenant improvements	19,876,549	13,164,998
Lease intangibles	13,845,100	9,793,814
Real estate assets and lease intangibles, cost	261,047,651	192,101,034
Accumulated depreciation and amortization	(29,961,472)	(23,011,006)
Real estate assets and lease intangibles, net	231,086,179	169,090,028
Real estate assets held for sale, net		29,107,675
Cash and cash equivalents	6,626,423	5,636,002
Restricted cash	6,759,786	4,086,498
Deferred leasing and financing costs, net	5,141,312	5,438,857
Goodwill	2,423,000	2,423,000
Other assets, net	5,895,991	4,842,878
TOTAL ASSETS	257,932,691	220,624,938
Liabilities:
Mortgage notes payable	144,690,570	106,966,774
Mortgage notes payable related to assets held for sale		16,932,524
Accounts payable and accrued liabilities	7,458,761	5,185,250
Accrued real estate taxes	2,401,770	1,446,554
Dividends payable	1,063,454	997,175
Below-market rent	2,154,479	960,328
Total liabilities	$ 192,769,034	$ 149,088,605
Commitments and contingencies
Equity:
Additional paid-in capital	$ 146,712,853	$ 143,715,876
Dividends in excess of accumulated losses	(93,821,328)	(83,150,866)
Total stockholders' equity before noncontrolling interest	53,063,548	60,733,884
Noncontrolling interest	12,100,109	10,802,449
Total equity	65,163,657	71,536,333
TOTAL LIABILITIES AND EQUITY	257,932,691	220,624,938
Redeemable Convertible Preferred Stock Series B [Member]
Liabilities:
Mandatorily redeemable Series B Preferred Stock, $0.01 par value, $1,000 liquidating preference; shares authorized: 35,000; shares issued and outstanding at December 31, 2015 and 2014: 35,000 and 16,600, respectively	35,000,000	16,600,000
Common Class A [Member]
Equity:
Common stock - Series A, $0.01 par value; shares authorized: 100,000,000; shares issued and outstanding at December 31, 2015 and 2014: 17,202,228 and 16,887,377, respectively	$ 172,023	$ 168,874

Accrued real estate taxes.

No definition available.

Name:	netr_AccruedRealEstateTaxes
Namespace Prefix:	netr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The carrying amount (net of accumulated amortization) as of the balance sheet date of (1) costs incurred by the lessor that are (a) costs to originate a lease incurred in transactions with independent third parties that (i) result directly from and are essential to acquire that lease and (ii) would not have been incurred had that leasing transaction not occurred and (b) certain costs directly related to specified activities performed by the lessor for that lease and (2) capitalized costs associated with the issuance of debt instruments (for example, legal, accounting, underwriting, printing, and registration costs) that will be charged against earnings over the life of the debt instruments to which such costs pertain.

+ References

No definition available.