Note 6 - Maximum Deferred Consideration Payments (Details) - BGA [Member] $ in Thousands	Apr. 02, 2016 USD ($)
December 31, 2016	$ 787
December 30, 2017	665
December 30, 2018	313
Estimated future contingent consideration payments	$ 1,765

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