XML 56 R41.htm IDEA: XBRL DOCUMENT
v3.24.1

Note 15 - Equity-based Compensation (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2023
Notes Tables |
Share-Based Payment Arrangement, Option, Activity [Table Text Block] |
(in thousands, except years and per share data) |  | Awards |  |  | Weighted- Average Exercise Price |  |  | Weighted- Average Remaining Contractual Life (years) |  |  | Aggregate Intrinsic Value |
Outstanding at December 31, 2022 |  |  | 132 |  |  | $ | 37.99 |  |  |  | 7.5 |  |  | $ | 69 |
Options granted |  |  | 42 |  |  |  | 1.67 |  |  |  |  |  |  |  |  |
Restricted stock units granted |  |  | 5 |  |  |  | — |  |  |  |  |  |  |  |  |
Options exercised |  |  | — |  |  |  | — |  |  |  |  |  |  |  |  |
Restricted stock units vested |  |  | (5 | ) |  |  | — |  |  |  |  |  |  |  |  |
Options forfeited/cancelled |  |  | (19 | ) |  |  | 62.39 |  |  |  |  |  |  |  |  |
Restricted stock units cancelled |  |  | (30 | ) |  |  | — |  |  |  |  |  |  |  |  |
Outstanding at December 31, 2023 |  |  | 125 |  |  |  | 31.15 |  |  |  | 7.3 |  |  |  | 1 |
Vested and expected to vest at December 31, 2023 |  |  | 119 |  |  |  | 32.40 |  |  |  | 7.3 |  |  |  | 1 |
Vested and exercisable at December 31, 2023 |  |  | 63 |  |  |  | 56.85 |  |  |  | 5.7 |  |  |  | — |
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] |
|  | For the Years Ended December 31, |
|  | 2023 |  |  | 2022 |
Research and development |  | $ | 21 |  |  | $ | 20 |
Sales and marketing |  |  | 96 |  |  |  | 52 |
General and administrative |  |  | 174 |  |  |  | 148 |
Total stock-based compensation expense |  | $ | 291 |  |  | $ | 220 |
Employees and Directors [Member] |
Notes Tables |
Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] |
|  | For the Years Ended December 31, |
Assumptions |  | 2023 |  |  | 2022 |
Expected price volatility |  |  | 154 | % |  |  | 158 | %
Expected term (in years) |  |  | 6.66 |  |  |  | 6.45 |
Risk-free interest rate |  |  | 3.57 | % |  |  | 2.36 | %
Dividend yield |  |  | 0.00 | % |  |  | 0.00 | %
Weighted-average fair value of options granted during the period |  | $ | 1.29 |  |  | $ | 9.22 |

X
- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Subparagraph (f)(2) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_TableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_TitleOfIndividualAxis=nby_EmployeesAndDirectorsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |