XML 55 R44.htm IDEA: XBRL DOCUMENT v3.25.1

Note 3 - Fair Value Measurements - Fair Value Valuation Assumptions (Details) $ in Thousands		3 Months Ended
		Mar. 31, 2025 USD ($)	Mar. 31, 2024 USD ($)
Non-cash gain on changes in fair value of warrant liability		$ (0)	$ (194)
Issuance, March 25, 2024 [Member] | March 2024 Warrant [Member]
Total Value		$ 100
Issuance, March 25, 2024 [Member] | March 2024 Warrant [Member] | Measurement Input, Exercise Price [Member]
Measurement Input		4.9
Issuance, March 25, 2024 [Member] | March 2024 Warrant [Member] | Measurement Input, Share Price [Member]
Measurement Input		4.55
Issuance, March 25, 2024 [Member] | March 2024 Warrant [Member] | Measurement Input, Price Volatility [Member]
Measurement Input		0.869
Issuance, March 25, 2024 [Member] | March 2024 Warrant [Member] | Measurement Input, Risk Free Interest Rate [Member]
Measurement Input		0.0424
Issuance, March 25, 2024 [Member] | March 2024 Warrant [Member] | Measurement Input, Expected Dividend Rate [Member]
Measurement Input		0
Issuance, March 25, 2024 [Member] | March 2024 Warrant [Member] | Measurement Input, Expected Term [Member]
Measurement Input		5.5
Issuance, March 25, 2024 [Member] | Unsecured Convertible Notes [Member]
Total value, embedded		$ 200
Issuance, March 25, 2024 [Member] | Unsecured Convertible Notes [Member] | Measurement Input, Exercise Price [Member]
Measurement input, embedded derivative		4.9
Issuance, March 25, 2024 [Member] | Unsecured Convertible Notes [Member] | Measurement Input, Share Price [Member]
Measurement input, embedded derivative		4.51
Issuance, March 25, 2024 [Member] | Unsecured Convertible Notes [Member] | Measurement Input, Option Volatility [Member]
Measurement input, embedded derivative		0.869
Issuance, March 25, 2024 [Member] | Unsecured Convertible Notes [Member] | Measurement Input, Risk Free Interest Rate [Member]
Measurement input, embedded derivative		0.0454
Issuance, March 25, 2024 [Member] | Unsecured Convertible Notes [Member] | Measurement Input, Expected Dividend Rate [Member]
Measurement input, embedded derivative		0
Issuance, March 25, 2024 [Member] | Unsecured Convertible Notes [Member] | Measurement Input, Expected Term [Member]
Measurement input, embedded derivative		2
Reporting Date, March 31, 2024 [Member] | March 2024 Warrant [Member]
Total Value		$ 100
Non-cash gain on changes in fair value of warrant liability		$ 21
Reporting Date, March 31, 2024 [Member] | March 2024 Warrant [Member] | Measurement Input, Exercise Price [Member]
Measurement Input		4.9
Reporting Date, March 31, 2024 [Member] | March 2024 Warrant [Member] | Measurement Input, Share Price [Member]
Measurement Input		3.5
Reporting Date, March 31, 2024 [Member] | March 2024 Warrant [Member] | Measurement Input, Price Volatility [Member]
Measurement Input		0.869
Reporting Date, March 31, 2024 [Member] | March 2024 Warrant [Member] | Measurement Input, Risk Free Interest Rate [Member]
Measurement Input		0.0421
Reporting Date, March 31, 2024 [Member] | March 2024 Warrant [Member] | Measurement Input, Expected Dividend Rate [Member]
Measurement Input		0
Reporting Date, March 31, 2024 [Member] | March 2024 Warrant [Member] | Measurement Input, Expected Term [Member]
Measurement Input		5.5
Reporting Date, March 31, 2024 [Member] | Unsecured Convertible Notes [Member]
Total value, embedded		$ 200
Gain, embedded derivative		$ (65)
Reporting Date, March 31, 2024 [Member] | Unsecured Convertible Notes [Member] | Measurement Input, Exercise Price [Member]
Measurement input, embedded derivative		4.9
Reporting Date, March 31, 2024 [Member] | Unsecured Convertible Notes [Member] | Measurement Input, Share Price [Member]
Measurement input, embedded derivative		3.5
Reporting Date, March 31, 2024 [Member] | Unsecured Convertible Notes [Member] | Measurement Input, Option Volatility [Member]
Measurement input, embedded derivative		0.869
Reporting Date, March 31, 2024 [Member] | Unsecured Convertible Notes [Member] | Measurement Input, Risk Free Interest Rate [Member]
Measurement input, embedded derivative		0.0459
Reporting Date, March 31, 2024 [Member] | Unsecured Convertible Notes [Member] | Measurement Input, Expected Dividend Rate [Member]
Measurement input, embedded derivative		0
Reporting Date, March 31, 2024 [Member] | Unsecured Convertible Notes [Member] | Measurement Input, Expected Term [Member]
Measurement input, embedded derivative		2
Issuance, May 1, 2023 [Member] | May 2023 Warrants [Member]
Total Value		$ 300
Issuance, May 1, 2023 [Member] | May 2023 Warrants [Member] | Measurement Input, Exercise Price [Member]
Measurement Input		8.75
Issuance, May 1, 2023 [Member] | May 2023 Warrants [Member] | Measurement Input, Share Price [Member]
Measurement Input		7.14
Issuance, May 1, 2023 [Member] | May 2023 Warrants [Member] | Measurement Input, Price Volatility [Member]
Measurement Input		0.793
Issuance, May 1, 2023 [Member] | May 2023 Warrants [Member] | Measurement Input, Risk Free Interest Rate [Member] | Minimum [Member]
Measurement Input		0.0385
Issuance, May 1, 2023 [Member] | May 2023 Warrants [Member] | Measurement Input, Expected Dividend Rate [Member]
Measurement Input		0
Issuance, May 1, 2023 [Member] | May 2023 Warrants [Member] | Measurement Input, Expected Term [Member] | Minimum [Member]
Measurement Input		5.5
Stockholder Approval, June 9, 2023 [Member] | May 2023 Warrants [Member]
Total Value		$ 200
Stockholder Approval, June 9, 2023 [Member] | May 2023 Warrants [Member] | Measurement Input, Exercise Price [Member]
Measurement Input		8.75
Stockholder Approval, June 9, 2023 [Member] | May 2023 Warrants [Member] | Measurement Input, Share Price [Member]
Measurement Input		3.5
Stockholder Approval, June 9, 2023 [Member] | May 2023 Warrants [Member] | Measurement Input, Price Volatility [Member]
Measurement Input		0.923
Stockholder Approval, June 9, 2023 [Member] | May 2023 Warrants [Member] | Measurement Input, Expected Dividend Rate [Member]
Measurement Input		0
Series C Preferred Stock [Member] | Prior to Ratchet, March 24, 2024 [Member]
Total Value	[1]	$ 500
Series C Preferred Stock [Member] | Prior to Ratchet, March 24, 2024 [Member] | Measurement Input, Exercise Price [Member]
Measurement Input		8.75
Series C Preferred Stock [Member] | Prior to Ratchet, March 24, 2024 [Member] | Measurement Input, Option Volatility [Member]
Measurement Input		0.799
Series C Preferred Stock [Member] | Prior to Ratchet, March 24, 2024 [Member] | Measurement Input, Risk Free Interest Rate [Member]
Measurement Input		0.0551
Series C Preferred Stock [Member] | Prior to Ratchet, March 24, 2024 [Member] | Measurement Input, Expected Dividend Rate [Member]
Measurement Input		0
Series C Preferred Stock [Member] | Prior to Ratchet, March 24, 2024 [Member] | Measurement Input, Expected Term [Member]
Measurement Input		0.1
Series C Preferred Stock [Member] | After Ratchet, March 24, 2024 [Member]
Total Value	[1]	$ 900
Deemed dividend		$ 380
Series C Preferred Stock [Member] | After Ratchet, March 24, 2024 [Member] | Measurement Input, Exercise Price [Member]
Measurement Input		4.9
Series C Preferred Stock [Member] | After Ratchet, March 24, 2024 [Member] | Measurement Input, Option Volatility [Member]
Measurement Input		0.799
Series C Preferred Stock [Member] | After Ratchet, March 24, 2024 [Member] | Measurement Input, Risk Free Interest Rate [Member]
Measurement Input		0.0551
Series C Preferred Stock [Member] | After Ratchet, March 24, 2024 [Member] | Measurement Input, Expected Dividend Rate [Member]
Measurement Input		0
Series C Preferred Stock [Member] | After Ratchet, March 24, 2024 [Member] | Measurement Input, Expected Term [Member]
Measurement Input		0.1
[1] Includes value of incremental shares underlying preferred stock and adjusted for probability of occurrence.

X

- Definition

Measurement input for preferred stock.

+ References

No definition available.

+ Details

Name:	nby_PreferredStockMeasurementInput
Namespace Prefix:	nby_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-SubTopic 405
-Topic 942
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477787/942-405-45-2

+ Details

Name:	us-gaap_DividendsPreferredStock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Fair value as of the balance sheet date of the embedded derivative or group of embedded derivatives classified as a liability.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4A
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A

+ Details

Name:	us-gaap_EmbeddedDerivativeFairValueOfEmbeddedDerivativeLiability
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Net Increase or Decrease in the fair value of the embedded derivative or group of embedded derivatives included in earnings in the period.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4A
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 15
-Name Accounting Standards Codification
-Section 25
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481116/815-15-25-1

+ Details

Name:	us-gaap_EmbeddedDerivativeGainLossOnEmbeddedDerivativeNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Value of input used to measure embedded derivative liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

+ Details

Name:	us-gaap_EmbeddedDerivativeLiabilityMeasurementInput
Namespace Prefix:	us-gaap_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Amount of expense (income) related to adjustment to fair value of warrant liability.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

+ Details

Name:	us-gaap_FairValueAdjustmentOfWarrants
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Fair value of financial and nonfinancial obligations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

+ Details

Name:	us-gaap_LiabilitiesFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Value of input used to measure outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

+ Details

Name:	us-gaap_WarrantsAndRightsOutstandingMeasurementInput
Namespace Prefix:	us-gaap_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	srt_StatementScenarioAxis=nby_IssuanceMarch252024Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=nby_March2024WarrantMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputExercisePriceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputSharePriceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputPriceVolatilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputRiskFreeInterestRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputExpectedDividendRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputExpectedTermMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByLiabilityClassAxis=nby_UnsecuredConvertibleNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputOptionVolatilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementScenarioAxis=nby_ReportingDateMarch312024Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementScenarioAxis=nby_IssuanceMay12023Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=nby_May2023WarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementScenarioAxis=nby_StockholderApprovalJune92023Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_SeriesCPreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementScenarioAxis=nby_PriorToRatchetMarch242024Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementScenarioAxis=nby_AfterRatchetMarch242024Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: