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General (Details)	Dec. 31, 2022
General [Abstract]
Revenues percentage	82.00%

X

- Definition

Consolidated revenues percentage.

+ References

No definition available.

+ Details

Name:	rdcm_ConsolidatedRevenuesPercentage
Namespace Prefix:	rdcm_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	rdcm_GeneralDetailsLineItems
Namespace Prefix:	rdcm_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration