XML 63 R53.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Stock-Based Compensation (Details) - USD ($) |  | 1 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Aug. 12, 2021 | Dec. 29, 2021 | Dec. 29, 2020 | Sep. 30, 2021 | Dec. 31, 2021 | Dec. 31, 2020
Stock-Based Compensation (Details) [Line Items] |  |  |  |  |  |
Common stock shares issued | 12,830 | 14,735 | 37,288 |  |  |
Market value, percentage | 30.00% | 30.00% | 30.00% |  |  |
Paid swedish social charges |  |  |  | $ 21,000 | $ 46,000 | $ 75,000
Percentage of shares issued |  |  |  |  | 30.00% | 30.00%
Stock-based compensation |  |  |  | $ 25,000 | $ 38,000 | $ 77,000
Stock-based compensation amortization |  |  |  |  | $ 94,000 |
Term of stock options, description |  |  |  |  | Stock options granted under the 2006 and 2015 Plans are exercisable over a maximum term of ten years from the date of grant, vest in various installments over a one to four-year period and have exercise prices reflecting the market value of the shares of common stock on the date of grant. |
Unrecognized compensation expense |  |  |  |  | $ 218,000 |
Minimum [Member] |  |  |  |  |  |
Stock-Based Compensation (Details) [Line Items] |  |  |  |  |  |
Future unearned bonus, percentage |  |  |  |  |  | 50.00%
Percentage of shares issued |  |  |  | 30.00% |  |
Maximum [Member] |  |  |  |  |  |
Stock-Based Compensation (Details) [Line Items] |  |  |  |  |  |
Future unearned bonus, percentage |  |  |  |  |  | 67.00%
2020 Plan [Member] |  |  |  |  |  |
Stock-Based Compensation (Details) [Line Items] |  |  |  |  |  |
Common stock shares issued |  |  |  |  | 750,000 |

X
- Definition Future unearned bonus, percentage. + References No definition available. + Details
Name: | neond_FutureUnearnedBonus
Namespace Prefix: | neond_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Market value, percentage + References No definition available. + Details
Name: | neond_MarketValuePercentage
Namespace Prefix: | neond_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Stock related cost percentage. + References No definition available. + Details
Name: | neond_StockRelatedCostPercentage
Namespace Prefix: | neond_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Term of stock options description. + References No definition available. + Details
Name: | neond_TermOfStockOptionsDescription
Namespace Prefix: | neond_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Unrecognized compensation expense. + References No definition available. + Details
Name: | neond_UnrecognizedCompensationExpense
Namespace Prefix: | neond_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=122041274&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_AllocatedShareBasedCompensationExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of expense for allocation of cost of intangible asset over its useful life directly used in production of good and rendering of service. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(b)(2)) -URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227 + Details
Name: | us-gaap_CostOfGoodsAndServicesSoldAmortization
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of cash paid during the reporting period for charges associated with the mergers. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3536-108585 + Details
Name: | us-gaap_PaymentsForMergerRelatedCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders. + References No definition available. + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesIssuedForServices
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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: | us-gaap_ClassOfWarrantOrRightAxis=neond_TwoThousandTwentyPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |