XML 58 R47.htm IDEA: XBRL DOCUMENT
v3.25.3

Note 3 - Fair Value Measurements - Fair Value Valuation Assumptions (Details) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) | Sep. 30, 2024 USD ($)
Non-cash gain on changes in fair value of warrant liability |  | $ (0) | $ (0) | $ (0) | $ (114)
Issuance, March 25, 2024 [Member] | Unsecured Convertible Notes [Member] |  |  |  |  |
Total value, embedded |  | $ 200 |  | $ 200 |
Issuance, March 25, 2024 [Member] | Unsecured Convertible Notes [Member] | Measurement Input, Exercise Price [Member] |  |  |  |  |
Measurement input, embedded derivative |  | 4.9 |  | 4.9 |
Issuance, March 25, 2024 [Member] | Unsecured Convertible Notes [Member] | Measurement Input, Share Price [Member] |  |  |  |  |
Measurement input, embedded derivative |  | 4.51 |  | 4.51 |
Issuance, March 25, 2024 [Member] | Unsecured Convertible Notes [Member] | Measurement Input, Option Volatility [Member] |  |  |  |  |
Measurement input, embedded derivative |  | 0.869 |  | 0.869 |
Issuance, March 25, 2024 [Member] | Unsecured Convertible Notes [Member] | Measurement Input, Risk Free Interest Rate [Member] |  |  |  |  |
Measurement input, embedded derivative |  | 0.0454 |  | 0.0454 |
Issuance, March 25, 2024 [Member] | Unsecured Convertible Notes [Member] | Measurement Input, Expected Dividend Rate [Member] |  |  |  |  |
Measurement input, embedded derivative |  | 0 |  | 0 |
Issuance, March 25, 2024 [Member] | Unsecured Convertible Notes [Member] | Measurement Input, Expected Term [Member] |  |  |  |  |
Measurement input, embedded derivative |  | 2 |  | 2 |
Prior to Ratchet, March 24, 2024 [Member] | Series C Preferred Stock [Member] |  |  |  |  |
Total Value | [1] | $ 500 |  | $ 500 |
Prior to Ratchet, March 24, 2024 [Member] | Series C Preferred Stock [Member] | Measurement Input, Exercise Price [Member] |  |  |  |  |
Measurement Input |  | 8.75 |  | 8.75 |
Prior to Ratchet, March 24, 2024 [Member] | Series C Preferred Stock [Member] | Measurement Input, Share Price [Member] |  |  |  |  |
Measurement Input |  | 4.77 |  | 4.77 |
Prior to Ratchet, March 24, 2024 [Member] | Series C Preferred Stock [Member] | Measurement Input, Option Volatility [Member] |  |  |  |  |
Measurement Input |  | 0.799 |  | 0.799 |
Prior to Ratchet, March 24, 2024 [Member] | Series C Preferred Stock [Member] | Measurement Input, Risk Free Interest Rate [Member] |  |  |  |  |
Measurement Input |  | 0.0551 |  | 0.0551 |
Prior to Ratchet, March 24, 2024 [Member] | Series C Preferred Stock [Member] | Measurement Input, Expected Dividend Rate [Member] |  |  |  |  |
Measurement Input |  | 0 |  | 0 |
Prior to Ratchet, March 24, 2024 [Member] | Series C Preferred Stock [Member] | Measurement Input, Expected Term [Member] |  |  |  |  |
Measurement Input |  | 0.1 |  | 0.1 |
Stockholder Approval May 28 2024 [Member] | Unsecured Convertible Notes [Member] |  |  |  |  |
Total value, embedded |  | $ 200 |  | $ 200 |
Gain, embedded derivative |  |  |  | $ (82) |
Stockholder Approval May 28 2024 [Member] | Unsecured Convertible Notes [Member] | Measurement Input, Exercise Price [Member] |  |  |  |  |
Measurement input, embedded derivative |  | 4.9 |  | 4.9 |
Stockholder Approval May 28 2024 [Member] | Unsecured Convertible Notes [Member] | Measurement Input, Share Price [Member] |  |  |  |  |
Measurement input, embedded derivative |  | 4.94 |  | 4.94 |
Stockholder Approval May 28 2024 [Member] | Unsecured Convertible Notes [Member] | Measurement Input, Option Volatility [Member] |  |  |  |  |
Measurement input, embedded derivative |  | 0.839 |  | 0.839 |
Stockholder Approval May 28 2024 [Member] | Unsecured Convertible Notes [Member] | Measurement Input, Risk Free Interest Rate [Member] |  |  |  |  |
Measurement input, embedded derivative |  | 0.0494 |  | 0.0494 |
Stockholder Approval May 28 2024 [Member] | Unsecured Convertible Notes [Member] | Measurement Input, Expected Dividend Rate [Member] |  |  |  |  |
Measurement input, embedded derivative |  | 0 |  | 0 |
Stockholder Approval May 28 2024 [Member] | Unsecured Convertible Notes [Member] | Measurement Input, Expected Term [Member] |  |  |  |  |
Measurement input, embedded derivative |  | 1.8 |  | 1.8 |
After Ratchet, March 24, 2024 [Member] | Series C Preferred Stock [Member] |  |  |  |  |
Total Value | [1] | $ 900 |  | $ 900 |
Deemed dividend |  |  |  | $ 400 |
After Ratchet, March 24, 2024 [Member] | Series C Preferred Stock [Member] | Measurement Input, Exercise Price [Member] |  |  |  |  |
Measurement Input |  | 4.9 |  | 4.9 |
After Ratchet, March 24, 2024 [Member] | Series C Preferred Stock [Member] | Measurement Input, Share Price [Member] |  |  |  |  |
Measurement Input |  | 4.77 |  | 4.77 |
After Ratchet, March 24, 2024 [Member] | Series C Preferred Stock [Member] | Measurement Input, Option Volatility [Member] |  |  |  |  |
Measurement Input |  | 0.799 |  | 0.799 |
After Ratchet, March 24, 2024 [Member] | Series C Preferred Stock [Member] | Measurement Input, Risk Free Interest Rate [Member] |  |  |  |  |
Measurement Input |  | 0.0551 |  | 0.0551 |
After Ratchet, March 24, 2024 [Member] | Series C Preferred Stock [Member] | Measurement Input, Expected Dividend Rate [Member] |  |  |  |  |
Measurement Input |  | 0 |  | 0 |
After Ratchet, March 24, 2024 [Member] | Series C Preferred Stock [Member] | Measurement Input, Expected Term [Member] |  |  |  |  |
Measurement Input |  | 0.1 |  | 0.1 |
March 2024 Warrant [Member] | Issuance, March 25, 2024 [Member] |  |  |  |  |
Total Value |  | $ 100 |  | $ 100 |
March 2024 Warrant [Member] | Issuance, March 25, 2024 [Member] | Measurement Input, Exercise Price [Member] |  |  |  |  |
Measurement Input |  | 4.9 |  | 4.9 |
March 2024 Warrant [Member] | Issuance, March 25, 2024 [Member] | Measurement Input, Share Price [Member] |  |  |  |  |
Measurement Input |  | 4.55 |  | 4.55 |
March 2024 Warrant [Member] | Issuance, March 25, 2024 [Member] | Measurement Input, Price Volatility [Member] |  |  |  |  |
Measurement Input |  | 0.869 |  | 0.869 |
March 2024 Warrant [Member] | Issuance, March 25, 2024 [Member] | Measurement Input, Risk Free Interest Rate [Member] |  |  |  |  |
Measurement Input |  | 0.0424 |  | 0.0424 |
March 2024 Warrant [Member] | Issuance, March 25, 2024 [Member] | Measurement Input, Expected Dividend Rate [Member] |  |  |  |  |
Measurement Input |  | 0 |  | 0 |
March 2024 Warrant [Member] | Issuance, March 25, 2024 [Member] | Measurement Input, Expected Term [Member] |  |  |  |  |
Measurement Input |  | 5.5 |  | 5.5 |
March 2024 Warrant [Member] | Stockholder Approval May 28 2024 [Member] |  |  |  |  |
Total Value |  | $ 100 |  | $ 100 |
Non-cash gain on changes in fair value of warrant liability |  |  |  | $ (28) |
March 2024 Warrant [Member] | Stockholder Approval May 28 2024 [Member] | Measurement Input, Exercise Price [Member] |  |  |  |  |
Measurement Input |  | 4.9 |  | 4.9 |
March 2024 Warrant [Member] | Stockholder Approval May 28 2024 [Member] | Measurement Input, Share Price [Member] |  |  |  |  |
Measurement Input |  | 4.94 |  | 4.94 |
March 2024 Warrant [Member] | Stockholder Approval May 28 2024 [Member] | Measurement Input, Price Volatility [Member] |  |  |  |  |
Measurement Input |  | 0.839 |  | 0.839 |
March 2024 Warrant [Member] | Stockholder Approval May 28 2024 [Member] | Measurement Input, Risk Free Interest Rate [Member] |  |  |  |  |
Measurement Input |  | 0.0456 |  | 0.0456 |
March 2024 Warrant [Member] | Stockholder Approval May 28 2024 [Member] | Measurement Input, Expected Dividend Rate [Member] |  |  |  |  |
Measurement Input |  | 0 |  | 0 |
March 2024 Warrant [Member] | Stockholder Approval May 28 2024 [Member] | Measurement Input, Expected Term [Member] |  |  |  |  |
Measurement Input |  | 5.3 |  | 5.3 |
September 2022, November 2022, and May 2023 Warrants [Member] | Pre-amendment June 14, 2024 [Member] |  |  |  |  |
Total Value |  | $ 66,000 |  | $ 66,000 |
September 2022, November 2022, and May 2023 Warrants [Member] | Pre-amendment June 14, 2024 [Member] | Measurement Input, Exercise Price [Member] | Minimum [Member] |  |  |  |  |
Measurement Input |  | 8.75 |  | 8.75 |
September 2022, November 2022, and May 2023 Warrants [Member] | Pre-amendment June 14, 2024 [Member] | Measurement Input, Exercise Price [Member] | Maximum [Member] |  |  |  |  |
Measurement Input |  | 52.5 |  | 52.5 |
September 2022, November 2022, and May 2023 Warrants [Member] | Pre-amendment June 14, 2024 [Member] | Measurement Input, Share Price [Member] |  |  |  |  |
Measurement Input |  | 2.51 |  | 2.51 |
September 2022, November 2022, and May 2023 Warrants [Member] | Pre-amendment June 14, 2024 [Member] | Measurement Input, Option Volatility [Member] |  |  |  |  |
Measurement Input |  | 0.893 |  | 0.893 |
September 2022, November 2022, and May 2023 Warrants [Member] | Pre-amendment June 14, 2024 [Member] | Measurement Input, Risk Free Interest Rate [Member] | Minimum [Member] |  |  |  |  |
Measurement Input |  | 0.0427 |  | 0.0427 |
September 2022, November 2022, and May 2023 Warrants [Member] | Pre-amendment June 14, 2024 [Member] | Measurement Input, Risk Free Interest Rate [Member] | Maximum [Member] |  |  |  |  |
Measurement Input |  | 0.0508 |  | 0.0508 |
September 2022, November 2022, and May 2023 Warrants [Member] | Pre-amendment June 14, 2024 [Member] | Measurement Input, Expected Dividend Rate [Member] |  |  |  |  |
Measurement Input |  | 0 |  | 0 |
September 2022, November 2022, and May 2023 Warrants [Member] | Pre-amendment June 14, 2024 [Member] | Measurement Input, Expected Term [Member] | Minimum [Member] |  |  |  |  |
Measurement Input |  | 1 |  | 1 |
September 2022, November 2022, and May 2023 Warrants [Member] | Pre-amendment June 14, 2024 [Member] | Measurement Input, Expected Term [Member] | Maximum [Member] |  |  |  |  |
Measurement Input |  | 4.4 |  | 4.4 |
September 2022, November 2022, and May 2023 Warrants [Member] | Post amendment June 14, 2024 [Member] |  |  |  |  |
Total Value |  | $ 100,000 |  | $ 100,000 |
Non-cash gain on changes in fair value of warrant liability |  |  |  | $ 70 |
September 2022, November 2022, and May 2023 Warrants [Member] | Post amendment June 14, 2024 [Member] | Measurement Input, Exercise Price [Member] |  |  |  |  |
Measurement Input |  | 2.5 |  | 2.5 |
September 2022, November 2022, and May 2023 Warrants [Member] | Post amendment June 14, 2024 [Member] | Measurement Input, Share Price [Member] |  |  |  |  |
Measurement Input |  | 2.51 |  | 2.51 |
September 2022, November 2022, and May 2023 Warrants [Member] | Post amendment June 14, 2024 [Member] | Measurement Input, Option Volatility [Member] |  |  |  |  |
Measurement Input |  | 0.893 |  | 0.893 |
September 2022, November 2022, and May 2023 Warrants [Member] | Post amendment June 14, 2024 [Member] | Measurement Input, Risk Free Interest Rate [Member] | Minimum [Member] |  |  |  |  |
Measurement Input |  | 0.0427 |  | 0.0427 |
September 2022, November 2022, and May 2023 Warrants [Member] | Post amendment June 14, 2024 [Member] | Measurement Input, Risk Free Interest Rate [Member] | Maximum [Member] |  |  |  |  |
Measurement Input |  | 0.0508 |  | 0.0508 |
September 2022, November 2022, and May 2023 Warrants [Member] | Post amendment June 14, 2024 [Member] | Measurement Input, Expected Dividend Rate [Member] |  |  |  |  |
Measurement Input |  | 0 |  | 0 |
September 2022, November 2022, and May 2023 Warrants [Member] | Post amendment June 14, 2024 [Member] | Measurement Input, Expected Term [Member] | Minimum [Member] |  |  |  |  |
Measurement Input |  | 1 |  | 1 |
September 2022, November 2022, and May 2023 Warrants [Member] | Post amendment June 14, 2024 [Member] | Measurement Input, Expected Term [Member] | Maximum [Member] |  |  |  |  |
Measurement Input |  | 4.4 |  | 4.4 |
The December 2023 Warrants [Member] | Stockholder Approval May 28 2024 [Member] |  |  |  |  |
Total Value |  | $ 200 |  | $ 200 |
Non-cash gain on changes in fair value of warrant liability |  |  |  | $ (51) |
The December 2023 Warrants [Member] | Stockholder Approval May 28 2024 [Member] | Measurement Input, Exercise Price [Member] |  |  |  |  |
Measurement Input |  | 8.75 |  | 8.75 |
The December 2023 Warrants [Member] | Stockholder Approval May 28 2024 [Member] | Measurement Input, Share Price [Member] |  |  |  |  |
Measurement Input |  | 4.94 |  | 4.94 |
The December 2023 Warrants [Member] | Stockholder Approval May 28 2024 [Member] | Measurement Input, Price Volatility [Member] |  |  |  |  |
Measurement Input |  | 0.839 |  | 0.839 |
The December 2023 Warrants [Member] | Stockholder Approval May 28 2024 [Member] | Measurement Input, Risk Free Interest Rate [Member] |  |  |  |  |
Measurement Input |  | 0.0456 |  | 0.0456 |
The December 2023 Warrants [Member] | Stockholder Approval May 28 2024 [Member] | Measurement Input, Expected Dividend Rate [Member] |  |  |  |  |
Measurement Input |  | 0 |  | 0 |
The December 2023 Warrants [Member] | Stockholder Approval May 28 2024 [Member] | Measurement Input, Expected Term [Member] |  |  |  |  |
Measurement Input |  | 5.1 |  | 5.1 |
The December 2023 Warrants [Member] | Reporting Date, December 31, 2023 [Member] |  |  |  |  |
Total Value |  | $ 300 |  | $ 300 |
The December 2023 Warrants [Member] | Reporting Date, December 31, 2023 [Member] | Measurement Input, Exercise Price [Member] |  |  |  |  |
Measurement Input |  | 8.75 |  | 8.75 |
The December 2023 Warrants [Member] | Reporting Date, December 31, 2023 [Member] | Measurement Input, Share Price [Member] |  |  |  |  |
Measurement Input |  | 7.14 |  | 7.14 |
The December 2023 Warrants [Member] | Reporting Date, December 31, 2023 [Member] | Measurement Input, Price Volatility [Member] |  |  |  |  |
Measurement Input |  | 0.793 |  | 0.793 |
The December 2023 Warrants [Member] | Reporting Date, December 31, 2023 [Member] | Measurement Input, Risk Free Interest Rate [Member] |  |  |  |  |
Measurement Input |  | 0.0385 |  | 0.0385 |
The December 2023 Warrants [Member] | Reporting Date, December 31, 2023 [Member] | Measurement Input, Expected Dividend Rate [Member] |  |  |  |  |
Measurement Input |  | 0 |  | 0 |
The December 2023 Warrants [Member] | Reporting Date, December 31, 2023 [Member] | Measurement Input, Expected Term [Member] |  |  |  |  |
Measurement Input |  | 5.5 |  | 5.5 |
[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_FairValueByLiabilityClassAxis=nby_UnsecuredConvertibleNotesMember
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_MeasurementInputOptionVolatilityMember
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: | srt_StatementScenarioAxis=nby_PriorToRatchetMarch242024Member
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_StockholderApprovalMay282024Member
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: |

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_MeasurementInputPriceVolatilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=nby_September2022November2022AndMay2023WarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=nby_PreamendmentJune142024Member
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_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=nby_PostAmendmentJune142024Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=nby_TheDecember2023WarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=nby_ReportingDateDecember312023Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |