XML 20 R31.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Related Party Transaction (Narratives) (Details) (USD $) | 1 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Jan. 31, 2012 | Jun. 30, 2012 | Jun. 30, 2011 | Jun. 30, 2012 | Jun. 30, 2011 | Dec. 31, 2011
Related Party Transactions [Abstract] |  |  |  |  |  |
Related Party Management Fee Rates Charged |  |  |  | 5.00% |  |
Related Party Transaction, Expenses from Transactions with Related Party |  | $ 171,000 | $ 111,000 | $ 324,000 | $ 208,000 |
Ownership Percentage Of Related Party |  | 35.00% |  | 35.00% |  |
Revenue from Related Parties |  | 15,000 | 14,000 | 29,000 | 29,000 |
Stock Repurchased Related Party During Period Shares |  |  |  | 1,395 |  | 9,560
Stock Repurchased Related Party During Period Valie |  | $ 12,000 |  | $ 12,000 |  | $ 82,520
Stock Repurchased Related Party During Period Value Per Share |  |  |  |  |  | $ 8.60
Partnership Interests Percentage Converted | 30.00% |  |  |  |  |
Purchase Of Stock Price Per Share | $ 8.44 |  |  |  |  |
Stock Issued During Period, Shares, Conversion of Units | 17,060 |  |  |  |  |
Company Ownership Interest In Partnership After Conversion | 77.00% |  |  |  |  |

X
- Definition Company Ownership Interest In Partnership After Conversion + References No definition available. + Details
Name: | netr_CompanyOwnershipInterestInPartnershipAfterConversion
Namespace Prefix: | netr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Ownership Percentage Of Related Party + References No definition available. + Details
Name: | netr_OwnershipPercentageOfRelatedParty
Namespace Prefix: | netr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Partnership Interests Percentage Converted + References No definition available. + Details
Name: | netr_PartnershipInterestsPercentageConverted
Namespace Prefix: | netr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Stock price per share purchased. + References No definition available. + Details
Name: | netr_PurchaseOfStockPricePerShare
Namespace Prefix: | netr_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum Related Party Management Fee Rates Charged. + References No definition available. + Details
Name: | netr_RelatedPartyManagementFeeRatesCharged
Namespace Prefix: | netr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Numbers of shares that have been repurchased from related parties during the period and have not been retired and are not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. + References No definition available. + Details
Name: | netr_StockRepurchasedRelatedPartyDuringPeriodShares
Namespace Prefix: | netr_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Total value of shares of its vested restricted common stock compensation from its independent Board of Directors. + References No definition available. + Details
Name: | netr_StockRepurchasedRelatedPartyDuringPeriodValie
Namespace Prefix: | netr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The purchase price per share for the vested restricted common stock. + References No definition available. + Details
Name: | netr_StockRepurchasedRelatedPartyDuringPeriodValuePerShare
Namespace Prefix: | netr_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 57 -Paragraph 2 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 + Details
Name: | us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_RelatedPartyTransactionsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Related Parties -URI http://asc.fasb.org/extlink&oid=16382449 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07.1(c)) -URI http://asc.fasb.org/extlink&oid=6488393&loc=d3e606610-122999 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 57 -Paragraph 2 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 07 -Paragraph b -Subparagraph 1 -Article 6 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(e)) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 + Details
Name: | us-gaap_RevenueFromRelatedParties
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The number of shares issued during the period upon the conversion of units. An example of a convertible unit is an umbrella partnership real estate investment trust unit (UPREIT unit). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.28,29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 10 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30, 31 -Article 5 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 4, 5 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187085-122770 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration