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v3.26.1

Commitments and Contingencies (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2025 USD ($)
Commitments and Contingencies Disclosure [Abstract] |
Self insurance retention per occurrence | $ 350
Aggregate coverage | 618
Estimated loss reserves and additional future claims | 84
Cash collateral and escrow held by insurance carrier for workers' compensation insurance | $ 400

X
- Definition Represents the amount held in cash collateral and escrow by the insurance carrier for workers' compensation insurance. + References No definition available. + Details
Name: | rmti_CashCollateralAndEscrowDepositHeldByInsuranceCarriersForWorkersCompensationInsurance
Namespace Prefix: | rmti_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition "Represents the estimated loss reserves and additional future claims subject to payment by the entity, for which no insurance coverage exists, and for which a claim has been made or is probable of being asserted, typically arising from workmen's compensation-type of incidents and personal injury to nonemployees from accidents on the entity's property. " + References No definition available. + Details
Name: | rmti_SelfInsuranceEstimatedLossReservesAndAdditionalFutureClaims
Namespace Prefix: | rmti_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents the overall limit of the self insurance. + References No definition available. + Details
Name: | rmti_SelfInsuranceOverallLimit
Namespace Prefix: | rmti_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the amount of self insurance retention per occurrence as of the balance sheet date for which no insurance coverage exists, and for which a claim has been made or is probable of being asserted, typically arising from workmen's compensation-type of incidents and personal injury to nonemployees from accidents on the entity's property. + References No definition available. + Details
Name: | rmti_SelfInsuranceReservePerOccurrence
Namespace Prefix: | rmti_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration