Note 6 - Acquisitions - Maximum Deferred Consideration Payments (Details) $ in Thousands	Dec. 31, 2016 USD ($)
December 30, 2017	$ 1,061
December 30, 2018	170
Estimated future contingent consideration payments	$ 1,231

Represents estimated future contingent consideration payments remainder of fiscal year.

No definition available.

Name:	rcmt_EstimatedFutureContingentConsiderationPaymentsCurrent
Namespace Prefix:	rcmt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant