Name:	nby_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAndOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice
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Data Type:	dtr-types:perShareItemType
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Weighted average remaining contractual term for fully vested and expected to vest equity instruments other than options and options outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

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Data Type:	xbrli:durationItemType
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The number of shares into which fully or partially vested stock equity instruments other than options and options outstanding as of the balance sheet date can be currently converted under the option plan.

No definition available.

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Data Type:	xbrli:sharesItemType
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Period Type:	instant

Weighted average price at which option or equity instruments other than options, holders acquired shares when converting their stock options or equity instruments other than options, into shares.

No definition available.

Name:	nby_ShareBasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAndOptionsExercisableWeightedAverageExercisePrice
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Data Type:	dtr-types:perShareItemType
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Weighted average remaining contractual term for equity instruments other than options and options that are exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	nby_ShareBasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAndOptionsExercisableWeightedAverageRemainingContractualTerm
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Data Type:	xbrli:durationItemType
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The number of equity-based payment instruments, including stock (or unit) options, outstanding during the reporting period.

No definition available.

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Data Type:	xbrli:sharesItemType
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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan or equity instruments other than options.

No definition available.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of fully vested and expected to vest equity instruments other than options and options outstanding.

No definition available.

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Data Type:	xbrli:monetaryItemType
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As of the balance sheet date, the number of shares into which fully vested and expected to vest stock options and equity instruments other than options outstanding can be converted under the option plan.

No definition available.

Name:	nby_ShareBasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAndOptionsVestedAndExpectedToVestOutstandingNumber
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Data Type:	xbrli:sharesItemType
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Weighted average per share amount of options vested in period.

No definition available.

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Data Type:	dtr-types:perShareItemType
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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(02)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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Weighted average price of options that were either forfeited or expired.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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Gross number of share options (or share units) granted during the period.

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

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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

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

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the 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