Number of warrants exchanged for each of securities called by warrants.

No definition available.

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Namespace Prefix:	nrbo_
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- Definition

Number of warrants exercised during the period.

+ References

No definition available.

+ Details

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481112/505-10-50-3

+ Details

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- Definition

The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 14
-Subparagraph (a)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-14

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 3
-Subparagraph (SX 210.6-03(i)(1))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479886/946-10-S99-3

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

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- Details

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- Details

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Stockholders Equity - Warrants - Narrative (Details) - USD ($)	1 Months Ended	6 Months Ended
	Nov. 30, 2022	Jun. 30, 2023	Oct. 31, 2022
November 2022 Series A and B
Number of warrants exchanged	1
Consideration received	$ 0
Warrants exercise price	$ 0.00		$ 3.00
Series A Warrant
Number of warrants exchanged for common stock		6,345,333
Series B Warrant
Number of warrants exchanged for common stock		6,460,333