XML 50 R38.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Summary of Significant Accounting Policies (Details 5) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Summary of Significant Accounting Policies [Line Items] |  |
Deferred license fees | $ 75 | $ 1,248
Deferred License Fees [Member] |  |
Summary of Significant Accounting Policies [Line Items] |  |
Deferred license fees |  | 1,089
Deferred Airbar Revenues [Member] |  |
Summary of Significant Accounting Policies [Line Items] |  |
Deferred license fees | 59 | 137
Deferred Sensor Modules Revenues [Member] |  |
Summary of Significant Accounting Policies [Line Items] |  |
Deferred license fees | $ 16 | $ 22

X
- Definition The carrying amount of consideration received or receivables as of the balance sheet date on potential earnings that were not recognized as revenue in conformity with GAAP, and which are expected to be recognized as such within one year or the normal operating cycle, if longer, including sales, license fees, and royalties, but excluding interest income. + References No definition available. + Details
Name: | neond_DeferredRevenuesCurrent
Namespace Prefix: | neond_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | neond_SummaryOfSignificantAccountingPoliciesLineItems
Namespace Prefix: | neond_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DeferredRevenueArrangementTypeAxis=neond_DeferredLicenseFeesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DeferredRevenueArrangementTypeAxis=neond_DeferredAirbarRevenuesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DeferredRevenueArrangementTypeAxis=neond_DeferredSensorModulesRevenuesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |