Name:	ntrp_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableInPeriod
Namespace Prefix:	ntrp_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Weighted-average contractual term remaining for exercisable equity-based award excluding option.

No definition available.

Name:	ntrp_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisableWeightedaverageRemainingContractualTerm
Namespace Prefix:	ntrp_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were exercised.

No definition available.

Name:	ntrp_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisedWeightedAverageGrantDateFairValue
Namespace Prefix:	ntrp_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

The number of shares other than options that were exercised during the reporting period.

No definition available.

Name:	ntrp_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisesInPeriod
Namespace Prefix:	ntrp_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

The number of non-vested equity-based payment instruments otehr than options expected to vest in the future.

No definition available.

Name:	ntrp_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestInTheFutureNumber
Namespace Prefix:	ntrp_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Weighted-average contractual term remaining for equity-based award excluding option vested, execisable and expected to vest.

No definition available.

Name:	ntrp_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedExecisableAndExpectedToVestWeightedaverageRemainingContractualTerm
Namespace Prefix:	ntrp_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

The number of vested, exercisable and expected to vest equity other than options.

No definition available.

Name:	ntrp_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedExercisableAndExpectedToVestNumber
Namespace Prefix:	ntrp_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Intrinsic value of exercisable under share-based payment arrangement. Excludes share and unit options.

No definition available.

Name:	ntrp_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityOtherThanOptionsExercisableIntrinsicValue
Namespace Prefix:	ntrp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on exercisable options other than equity.

No definition available.

Name:	ntrp_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityOtherThanOptionsExercisableWeightedAverageExercisePrice
Namespace Prefix:	ntrp_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for expected to vest equity other than options outstanding.

No definition available.

Name:	ntrp_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityOtherThanOptionsExpectedToVestOutstandingWeightedAverageExercisePrice
Namespace Prefix:	ntrp_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

Intrinsic value of expected to vest award under share-based payment arrangement. Excludes share and unit options.

No definition available.

Name:	ntrp_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityOtherThanOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue
Namespace Prefix:	ntrp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Intrinsic value of vested, exercisable and expected to vest award under share-based payment arrangement. Excludes share and unit options.

No definition available.

Name:	ntrp_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityOtherThanOptionsVestedExercisableAndExpectedToVestIntrinsicValue
Namespace Prefix:	ntrp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested exersiable and expected to vest equity otehr than options.

No definition available.

Name:	ntrp_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityOtherThanOptionsVestedExercisableAndExpectedToVestWeightedAverageExercisePrice
Namespace Prefix:	ntrp_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(ii)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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

Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

Weighted-average contractual term remaining for equity-based award excluding option, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 718
-SubTopic 10
-Subparagraph (e)(1)
-Name Accounting Standards Codification
-Paragraph 2
-Section 50
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(01)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

Name:	us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

Intrinsic value of outstanding award under share-based payment arrangement. Excludes share and unit options.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-4