Name:	nnup_ShareBasedCompensationSharesAuthorizedUnderEquityInstrumentsOtherThanOptionsExercisePriceRangeNumberOfExercisableShares
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Data Type:	xbrli:sharesItemType
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Period Type:	instant

Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.

No definition available.

Name:	nnup_SharebasedCompensationSharesAuthorizedUnderEquityInstrumentsOtherThanOptionsExercisePriceRangeExercisableInstrumentsWeightedAverageExercisePrice1
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Data Type:	num:perShareItemType
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Period Type:	instant

Weighted average remaining contractual term of exercisable equity instruments other than options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	nnup_SharebasedCompensationSharesAuthorizedUnderEquityInstrumentsOtherThanOptionsExercisePriceRangeOutstandingWarrantsExercisableWeightedAverageRemainingContractualTerm2
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Data Type:	xbrli:durationItemType
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Period Type:	duration

Weighted average remaining contractual term of outstanding equity instruments other than options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	nnup_SharebasedCompensationSharesAuthorizedUnderEquityInstrumentsOtherThanOptionsExercisePriceRangeOutstandingWarrantsWeightedAverageRemainingContractualTerm2
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Data Type:	xbrli:durationItemType
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Exercise price per share or per unit of warrants or rights outstanding.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(4))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Name:	us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
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Period Type:	instant

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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-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=109197908&loc=d3e5070-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-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=109197908&loc=d3e5070-113901

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber
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Data Type:	xbrli:sharesItemType
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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.

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingRollForward
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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Period Type:	duration

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.