The number of warrants issued.

No definition available.

Name:	mrna_ClassOfWarrantOrRightWarrantsIssued
Namespace Prefix:	mrna_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Shares issued during period for settlement of outstanding amounts due to vendors.

+ References

No definition available.

+ Details

Name:	mrna_SharesIssuedDuringPeriodForSettlementOfOutstandingAmountsDueToVendor
Namespace Prefix:	mrna_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Total contingent shares issuable to landlord if the following events occur: (i) the closing of an equity financing in a transaction or series of related transactions where such financing yields gross proceeds to us of at least $4 million in the aggregate, including amounts converted under any convertible promissory notes; (ii) a merger into another entity if the combined market capitalization of the merging entities is at least $18 million or, if not, upon our market capitalization as the surviving entity of a merger being at least $18 million at any time after the merger; (iii) a sale of all or substantially all of our assets; or (iv) a sale of our stock after which sale a majority of the outstanding equity is held by persons or entities who were not our shareholders prior to the sale.

+ References

No definition available.

+ Details

Name:	mrna_TotalContingentSharesIssuableToLandlord
Namespace Prefix:	mrna_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Value of amounts owed to vendor, settled with issuance of stock.

+ References

No definition available.

+ Details

Name:	mrna_ValueOfAmountsOwedToVendorSettledWithIssuanceOfStock
Namespace Prefix:	mrna_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Value of shares issued during period for settlement of outstanding amounts due to vendors.

+ References

No definition available.

+ Details

Name:	mrna_ValueOfSharesIssuedDuringPeriodForSettlementOfOutstandingAmountsDueToVendor
Namespace Prefix:	mrna_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The aggregate of amounts due from customers or clients, within one year of the balance sheet date (or one operating cycle, if longer), for goods or services that have been delivered or sold in the normal course of business and an amount representing an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date within one year of the balance sheet, reduced to their estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection and net of any write-downs taken for collection uncertainty on the part of the holder, respectively.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.3,4)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 3, 4

-Article 5

+ Details

Name:	us-gaap_AccountsNotesAndLoansReceivableNetCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

This element represents the total consolidated (as applicable) capitalization of the entity which is comprised of its long-term debt and equity instruments. The table may be detailed by subsidiary (legal entity) and include information by type of debt or equity detailed by instrument.

+ References

No definition available.

+ Details

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

- Definition

The exercise price of each class of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(i)(4))

-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph i

-Subparagraph 4

-Article 4

+ Details

Name:	us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights
Namespace Prefix:	us-gaap_
Data Type:	us-types:perUnitItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_SubsequentEventLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Subsequent Events (Details) (USD $)	1 Months Ended								4 Months Ended		1 Months Ended
Subsequent Events (Details) (USD $)	Oct. 31, 2012	Aug. 31, 2012	May 31, 2012	Apr. 30, 2012	Oct. 05, 2012	Sep. 30, 2012	Mar. 31, 2012	Feb. 10, 2012	Nov. 30, 2012 Stock Issued To Multiple Vendors [Member]	Nov. 30, 2012 Stock Issued To Vendor [Member]	Oct. 31, 2012 Lease Termination Two [Member]
Subsequent Event [Line Items]
Number of warrants issued	1,035,715	1,250,000	425,100	489,033
Exercise price of warrants	$ 0.28	$ 0.28	$ 0.64	$ 0.56		$ 0.28	$ 0.75	$ 0.508
Total contingent shares issuable to landlord as additional consideration for termination of lease agreement											1,500,000
Equity financing from related transactions					$ 4,000,000
Market capitalization					18,000,000
Value of amounts owed to vendor, settled with issuance of stock										20,000
Shares issued during period for settlement of outstanding amounts due to vendors									200,000	87,254
Value of shares issued during period for settlement of outstanding amounts due to vendors									$ 60,000