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Leases (Details) - Schedule of maturities of lease liabilities $ in Thousands | Dec. 31, 2022 USD ($)
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Schedule of Maturities of Lease Liabilities [Abstract] |
2023 | $ 1,098
2024 | 1,054
2025 | 159
2026 | 137
2027 and thereafter | 173
Total operating lease payments | 2,621
Less: imputed interest | 145
Present value of lease liabilities | $ 2,476

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- Definition Less: imputed interest. + References No definition available. + Details
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Namespace Prefix: | rdcm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Present value of lease liabilities. + References No definition available. + Details
Name: | rdcm_LesseeOperatingLeaseLiability
Namespace Prefix: | rdcm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Amount of lessee's undiscounted obligation for lease payment for operating lease. + References No definition available. + Details
Name: | rdcm_LesseeOperatingLeaseLiabilityPaymentDue
Namespace Prefix: | rdcm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References No definition available. + Details
Name: | rdcm_LesseeOperatingLeaseLiabilityPaymentDueYearFive
Namespace Prefix: | rdcm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References No definition available. + Details
Name: | rdcm_LesseeOperatingLeaseLiabilityPaymentDueYearFour
Namespace Prefix: | rdcm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition The amount of year one + References No definition available. + Details
Name: | rdcm_LesseeOperatingLeaseLiabilityPaymentDueYearOne
Namespace Prefix: | rdcm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References No definition available. + Details
Name: | rdcm_LesseeOperatingLeaseLiabilityPaymentDueYearThree
Namespace Prefix: | rdcm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References No definition available. + Details
Name: | rdcm_LesseeOperatingLeaseLiabilityPaymentDueYearTwo
Namespace Prefix: | rdcm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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