XML 53 R38.htm IDEA: XBRL DOCUMENT
v3.23.1

Dong-A ST License Agreement (Details) $ / shares in Units, $ in Thousands |  | 12 Months Ended
--- | --- | ---
Sep. 14, 2022 USD ($) item $ / shares shares | Dec. 31, 2022 USD ($)
Related Party Transactions |  |
IPR&D expense |  | $ 8,210
Amount of milestones accrued |  | $ 0
DongA ST Co LTD License agreement |  |
Related Party Transactions |  |
Period for failing to cure the beach, the agreement may get terminated | 60 days |
Cure period for beaching party if cannot be cured within the 60-day period | 90 days |
Cure period for petition for bankruptcy | 30 days |
Number of proprietary compounds in a license | item | 2 |
Shared Services Agreement |  |
Related Party Transactions |  |
Period for failing to cure the beach, the agreement may get terminated | 30 days |
Period for termination notice when material breach not cured | 30 days |
Series A Redeemable Convertible Preferred Stock | DongA ST Co LTD License agreement |  |
Related Party Transactions |  |
Shares to be issued for upfront payment made to a related party | shares | 2,200 |
Redeemable convertible Preferred Stock, Par Value (in dollar per share) | $ / shares | $ 0.001 |
Series A Preferred Stock [Member] |  |
Related Party Transactions |  |
Value of shares and warrants issued to purchase common stock | $ 15,000 |
Series A Preferred Stock [Member] | DongA ST Co LTD License agreement |  |
Related Party Transactions |  |
IPR&D expense | $ 8,200 |

X
- Definition Number of convertible preferred stock issued during the period. + References No definition available. + Details
Name: | nrbo_ConvertiblePreferredStockIssuedDuringPeriodSharesNewIssues
Namespace Prefix: | nrbo_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cure period for beaching party if cannot be cured within the 60-day period. + References No definition available. + Details
Name: | nrbo_CurePeriodForBreachingParty
Namespace Prefix: | nrbo_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cure period for petition for bankruptcy. + References No definition available. + Details
Name: | nrbo_CurePeriodForPetitionForBankruptcy
Namespace Prefix: | nrbo_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Refers to milestones accrued. + References No definition available. + Details
Name: | nrbo_MilestonesAccrued
Namespace Prefix: | nrbo_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The number of Proprietary compounds to be received by the company in a license agreement. + References No definition available. + Details
Name: | nrbo_NumberOfProprietaryCompoundsToBeReceivedThroughLicenseAgreement
Namespace Prefix: | nrbo_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The period for failing to cure the beach, the agreement may get terminated. + References No definition available. + Details
Name: | nrbo_PeriodForFailToCureBreachMayTerminateAgreement
Namespace Prefix: | nrbo_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The period for petition for termination notice for the other party's material breach that is not cured. + References No definition available. + Details
Name: | nrbo_PeriodForTerminationNotice
Namespace Prefix: | nrbo_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of the write-off for research and development assets that were acquired in a transaction other than a business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
Name: | us-gaap_ResearchAndDevelopmentAssetAcquiredOtherThanThroughBusinessCombinationWrittenOff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Value of preferred stock and warrants for common stock issued. + References No definition available. + Details
Name: | us-gaap_StockAndWarrantsIssuedDuringPeriodValuePreferredStockAndWarrants
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Per share amount of par value or stated value of stock classified as temporary equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section S99 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=122040564&loc=d3e177068-122764 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (27) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_TemporaryEquityParOrStatedValuePerShare
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=nrbo_DongaStCoLtdLicenseAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=nrbo_SharedServicesAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=nrbo_SeriesaRedeemableConvertiblePreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_SeriesAPreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |