Condensed Statements of Cash Flows (Unaudited) (Parenthetical) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2021	Jun. 30, 2020
Statement Of Cash Flows [Abstract]
Common stock and warrants, net of placement agent fees	$ 351	$ 1,008

Common stock and warrants, net of placement agent fees.

No definition available.

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Namespace Prefix:	rmed_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration