XML 40 R30.htm IDEA: XBRL DOCUMENT
v3.20.2

Summary of Significant Accounting Policies (Details 5) - USD ($) $ in Thousands | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Summary of Significant Accounting Policies [Line Items] |  |
Deferred revenues | $ 101 | $ 67
Deferred revenues HMI Solutions [Member] |  |
Summary of Significant Accounting Policies [Line Items] |  |
Deferred revenues | 45 | 37
Deferred revenues HMI Products [Member] |  |
Summary of Significant Accounting Policies [Line Items] |  |
Deferred revenues | $ 56 | $ 30

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
- Definition Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(5)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_DeferredRevenueCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

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