Name:	nnup_ShareBasedCompensationArrangementByShareBasedPaymentAwardInstrumentsOtherThanOptionsExpiredInPeriodWeightedAverageExercisePrice
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Data Type:	num:perShareItemType
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Period Type:	duration

Weighted average price at which grantees can acquire the shares reserved for issuance for equity instruments other than options.

No definition available.

Name:	nnup_ShareBasedCompensationArrangementByShareBasedPaymentAwardInstrumentsOtherThanOptionsOutstandingWeightedAverageExercisePrice
Namespace Prefix:	nnup_
Data Type:	num:perShareItemType
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Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Outstanding Weighted Average Exercise Price Roll Forward [Abstract]

No definition available.

Name:	nnup_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingWeightedAverageExercisePriceRollForwardAbstract
Namespace Prefix:	nnup_
Data Type:	xbrli:stringItemType
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Number of shares under non-option equity instrument agreements for which rights to exercise lapsed.

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExpirations
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

Number of equity instruments other than options outstanding, including both vested and non-vested instruments.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(i)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(ii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.