Represents the brokering fee as a percentage.

No definition available.

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- Definition

Represents the amount to be paid for the consulting agreement.

+ References

No definition available.

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- Definition

Represents the expiration period of the consulting agreement.

+ References

No definition available.

+ Details

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Namespace Prefix:	nby_
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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

Amount of the required periodic payments applied to interest.

+ References

+ Details

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Balance Type:	debit
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- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

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- Definition

Amount of the cost of borrowed funds accounted for as interest expense.

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

- Details

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

- Details

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

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=nby_ChinaKingtonMember
Namespace Prefix:
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Balance Type:
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Note 9 - Related Party Notes Payable (Details Textual) - USD ($) $ in Thousands			3 Months Ended
	Jun. 25, 2019	Feb. 27, 2019	Mar. 31, 2020	Mar. 31, 2019
Pioneer Hong Kong [Member] \| Promissory Note [Member]
Debt Instrument, Face Amount		$ 1,000
Debt Instrument, Periodic Payment, Interest	$ 300	150
Debt Issuance Costs, Net, Total		$ 20
Interest Expense, Total			$ 48	$ 39
China Kington [Member]
Brokering Fee, Percent		2.00%
Consulting Agreement, Term (Year)		1 year
Director Bob Wu [Member]
Consulting Agreement, Amount		$ 100