Represents potential future additional capital contributions to a variable interest entity.

No definition available.

Name:	nrci_AdditionalCapitalContributionsToVariableInterestEntity
Namespace Prefix:	nrci_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represents the first annual recurring contract value target level.

+ References

No definition available.

+ Details

Name:	nrci_AnnualRecurringContractValueTargetLevelOne
Namespace Prefix:	nrci_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Represents the third annual recurring contract value target level.

+ References

No definition available.

+ Details

Name:	nrci_AnnualRecurringContractValueTargetLevelThree
Namespace Prefix:	nrci_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Represents the second annual recurring contract value target level.

+ References

No definition available.

+ Details

Name:	nrci_AnnualRecurringContractValueTargetLevelTwo
Namespace Prefix:	nrci_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Represents the capital contribution to a variable interest entity.

+ References

No definition available.

+ Details

Name:	nrci_CapitalContributionsToVariableInterestEntity
Namespace Prefix:	nrci_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represents the ownership percentage the Company has the option to acquire at each recurring contract value target level.

+ References

No definition available.

+ Details

Name:	nrci_OwnershipPercentageAvailableToAcquireAtEachRecurringContractValueTargetLevel
Namespace Prefix:	nrci_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

No definition available.

+ Details

Name:	us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of cash outflow to a noncontrolling interest. Includes, but not limited to, reduction of noncontrolling interest ownership. Excludes dividends paid to the noncontrolling interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3291-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

+ Details

Name:	us-gaap_PaymentsToMinorityShareholders
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Percentage of subsidiary's or equity method investee's stock owned by parent immediately after all stock transactions.

+ References

No definition available.

+ Details

Name:	us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 5A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=52262685&loc=SL6759159-111685

+ Details

Name:	us-gaap_VariableInterestEntityOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis=nrci_ConnectMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=nrci_NGCustomerConnectLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=nrci_IlluminateHealthLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=nrci_ConnectMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CounterpartyNameAxis=nrci_IlluminateHealthLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Note 4 - Connect (Details Textual) - USD ($) $ in Thousands	1 Months Ended		12 Months Ended
Note 4 - Connect (Details Textual) - USD ($) $ in Thousands	Jul. 31, 2015	Jun. 30, 2013	Dec. 31, 2015
Connect [Member] \| NG Customer-Connect, LLC [Member]
Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage		25.00%
Connect [Member] \| Illuminate Health, LLC [Member]
Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage		26.00%
Connect [Member]
Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage		49.00%
Capital Contributions to Variable Interest Entity		$ 2,800
Additional Capital Contributions to Variable Interest Entity			$ 1,300
Illuminate Health, LLC [Member]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners			11.00%
Connect [Member] \| Illuminate Health, LLC [Member]
Ownership Percentage Available to Acquire at Each Recurring Contract Value Target Level			33.33%
Annual Recurring Contract Value Target Level One			$ 7,000
Annual Recurring Contract Value Target Level Two			14,000
Annual Recurring Contract Value Target Level Three			$ 20,000
Connect [Member]
Payments to Noncontrolling Interests	$ 2,800
Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions			89.00%
Payments to Noncontrolling Interests			$ 2,789