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Leases (Details) - Schedule of minimum future rentals on the non-cancellable finance leases - Financial Lease [Member] $ in Thousands | Dec. 31, 2022 USD ($)
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Leases (Details) - Schedule of minimum future rentals on the non-cancellable finance leases [Line Items] |
2023 | $ 98
2024 | 28
2025 | 19
Total minimum payments required: | 145
Less amount representing interest: | (4)
Present value of net minimum lease payments: | 141
Less current portion | (95)
Total | $ 46

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- Definition Amount of minimum lease payments for capital leases. + References No definition available. + Details
Name: | neon_CapitalLeasesFutureMinimumPaymentDue
Namespace Prefix: | neon_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of required minimum rental payments for Capital leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
Name: | neon_CapitalLeasesFutureMinimumPaymentDueICurrent
Namespace Prefix: | neon_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of minimum lease payments for capital leases due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
Name: | neon_CapitalLeasesFutureMinimumPaymentDueInThreeYears
Namespace Prefix: | neon_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Capital leases future minimum payment due In two years. + References No definition available. + Details
Name: | neon_CapitalLeasesFutureMinimumPaymentDueInTwoYears
Namespace Prefix: | neon_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Present value of lessee's discounted obligation for lease payments from finance lease, classified as current. + References No definition available. + Details
Name: | neon_FinanceLeasesLiability
Namespace Prefix: | neon_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Present value of lessee's discounted obligation for lease payments from finance lease, classified as current. + References No definition available. + Details
Name: | neon_FinanceLeasesLiabilityCurrent
Namespace Prefix: | neon_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent. + References No definition available. + Details
Name: | neon_FinanceLeasesLiabilityNoncurrent
Namespace Prefix: | neon_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount, during the lease term, of each minimum [capital] lease payment allocated to interest expense so as to produce a constant periodic rate of interest on the remaining balance of the capital lease obligation. + References No definition available. + Details
Name: | neon_InterestofCapitalLease
Namespace Prefix: | neon_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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