XML 44 R32.htm IDEA: XBRL DOCUMENT
v3.20.2

Summary of Significant Accounting Policies (Details 6) | 9 Months Ended
--- | ---
Sep. 30, 2020 | Sep. 30, 2019
Swedish Krona [Member] |  |
Weighted-average exchange rate for the condensed consolidated statements of operations |  |
Weighted-average exchange rate for statements of operations | 9.41 | 9.41
Japanese Yen [Member] |  |
Weighted-average exchange rate for the condensed consolidated statements of operations |  |
Weighted-average exchange rate for statements of operations | 107.52 | 109.11
South Korean Won [Member] |  |
Weighted-average exchange rate for the condensed consolidated statements of operations |  |
Weighted-average exchange rate for statements of operations | 1,199.94 | 1,162.54
Taiwan Dollar [Member] |  |
Weighted-average exchange rate for the condensed consolidated statements of operations |  |
Weighted-average exchange rate for statements of operations | 29.78 | 31.04

X
- Definition Weighted average exchange rate consolidated statements of operations. + References No definition available. + Details
Name: | neond_WeightedAverageExchangeRateConsolidatedStatementsOfOperationsAbstract
Namespace Prefix: | neond_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average exchange rate for statements of operations and comprehensive loss one. + References No definition available. + Details
Name: | neond_WeightedAverageExchangeRateForStatementsOfOperationsAndComprehensiveLossOne
Namespace Prefix: | neond_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

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: |