Name:	rmti_AgreementExtensionPeriod
Namespace Prefix:	rmti_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents the limited non-compete period under either discretionary termination, or termination under the price increase provisions.

No definition available.

Name:	rmti_AgreementTerminationLimitedNoncompetePeriod
Namespace Prefix:	rmti_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents the required written notice period for Baxter to terminate the Distribution Agreement.

No definition available.

Name:	rmti_AgreementTerminationNoticePeriod
Namespace Prefix:	rmti_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents the required written notice period after the true up payment is due for Baxter to terminate the Distribution Agreement in the event prices increase beyond certain thresholds.

No definition available.

Name:	rmti_AgreementTerminationSignificantPriceIncreaseNoticePeriod
Namespace Prefix:	rmti_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Distribution Agreement, Period Of Time For Facility To Become Operational Before Fee Payable Begins To Reduce

No definition available.

Name:	rmti_DistributionAgreementPeriodOfTimeForFacilityToBecomeOperationalBeforeFeePayableBeginsToReduce
Namespace Prefix:	rmti_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Distribution Agreement, Proceeds For Manufacturing Facility, Maximum

No definition available.

Name:	rmti_DistributionAgreementProceedsForManufacturingFacilityMaximum
Namespace Prefix:	rmti_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Represents the initial term set for the Exclusive Distribution Agreement.

No definition available.

Name:	rmti_DistributionAgreementTerm
Namespace Prefix:	rmti_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

The amount of the extension fee required to be paid by Baxter upon agreement extension executed.

No definition available.

Name:	rmti_ExtensionFee
Namespace Prefix:	rmti_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130549-203045

Name:	us-gaap_ContractWithCustomerLiabilityRevenueRecognized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Total carrying amount as of the balance sheet date of unearned revenue or income, not otherwise specified in the taxonomy, which is expected to be taken into income in future periods and obligations not separately disclosed in the balance sheet (other liabilities).

No definition available.

Name:	us-gaap_DeferredCreditsAndOtherLiabilities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.