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Leases (Details) - Schedule of maturities of lease liabilities $ in Thousands	Dec. 31, 2022 USD ($)
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

X

- Definition

Less: imputed interest.

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No definition available.

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Balance Type:	debit
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X

- Definition

Present value of lease liabilities.

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No definition available.

+ Details

Name:	rdcm_LesseeOperatingLeaseLiability
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.

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No definition available.

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Name:	rdcm_LesseeOperatingLeaseLiabilityPaymentDue
Namespace Prefix:	rdcm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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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).

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No definition available.

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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).

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No definition available.

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Namespace Prefix:	rdcm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The amount of year one

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No definition available.

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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).

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No definition available.

+ Details

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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).

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No definition available.

+ Details

Name:	rdcm_LesseeOperatingLeaseLiabilityPaymentDueYearTwo
Namespace Prefix:	rdcm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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