XML 43 R33.htm IDEA: XBRL DOCUMENT
v3.21.2

Summary of Significant Accounting Policies (Details) - Schedule of exchange rate for the consolidated balance sheets | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Swedish Krona [Member] |  |
Summary of Significant Accounting Policies (Details) - Schedule of exchange rate for the consolidated balance sheets [Line Items] |  |
Exchange rate | 8.77 | 8.22
Japanese Yen [Member] |  |
Summary of Significant Accounting Policies (Details) - Schedule of exchange rate for the consolidated balance sheets [Line Items] |  |
Exchange rate | 111.44 | 103.23
South Korean Won [Member] |  |
Summary of Significant Accounting Policies (Details) - Schedule of exchange rate for the consolidated balance sheets [Line Items] |  |
Exchange rate | 1,185.22 | 1,088.29
Taiwan Dollar [Member] |  |
Summary of Significant Accounting Policies (Details) - Schedule of exchange rate for the consolidated balance sheets [Line Items] |  |
Exchange rate | 27.85 | 28.09

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

X
- Definition Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6897108&loc=SL6897125-166521 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6450520&loc=d3e32618-110901 + Details
Name: | us-gaap_ForeignCurrencyExchangeRateTranslation1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | srt_CurrencyAxis=currency_SEK
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_JPY
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_KRW
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_TWD
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |