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Note 5 - Property and Equipment (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 29, 2014	Mar. 30, 2013
Property, Plant and Equipment [Abstract]
Annual Depreciation Rate	20.00%
Write Off of Fully Depreciated Property and Equipment	$ 902	$ 1,143

X

- Definition

No authoritative reference available.

+ References

No definition available.

+ Details

Name:	rcmt_AnnualDepreciationRate
Namespace Prefix:	rcmt_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

No authoritative reference available.

+ References

No definition available.

+ Details

Name:	rcmt_WriteOffOfFullyDepreciatedPropertyAndEquipment
Namespace Prefix:	rcmt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration