Amount payable on debt resulting from an amendment to the original agreement.

No definition available.

Name:	mymx_DebtAmendmentAmountPayable
Namespace Prefix:	mymx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Interest payable on debt resulting from an amendment to the original agreement.

+ References

No definition available.

+ Details

Name:	mymx_DebtAmendmentInterestPayable
Namespace Prefix:	mymx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Principal payable on debt resulting from an amendment to the original agreement.

+ References

No definition available.

+ Details

Name:	mymx_DebtAmendmentPrincipalPayable
Namespace Prefix:	mymx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of expense recorded resulting from the difference between the fair value of shares issuable based on the terms of the original conversion price and the fair value of the shares actually issued based on the inducement terms.

+ References

No definition available.

+ Details

Name:	mymx_FairValueDifferenceBetweenOriginalConversionPriceAndSharesActuallyIssued
Namespace Prefix:	mymx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represents the amount divided by the Conversion Price of the debt instrument to determine the number of common shares to be received upon conversion of the debt instrument.

+ References

No definition available.

+ Details

Name:	mymx_NumeratorForConversionOfDebt
Namespace Prefix:	mymx_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

- Definition

Principal amount of the debt that would be outstanding after first payment as per the amended agreement.

+ References

No definition available.

+ Details

Name:	mymx_OutstandingPrincipalAfterFirstPayment
Namespace Prefix:	mymx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Principal amount of the debt instrument that would be outstanding after second payment as per the amended agreement.

+ References

No definition available.

+ Details

Name:	mymx_OutstandingPrincipalAfterSecondPayment
Namespace Prefix:	mymx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The percentage of the acquired entity's common shares that is collateral for the convertible redeemable note issued during the acquisition.

+ References

No definition available.

+ Details

Name:	mymx_PercentageOfAcquiredEntitySSharesUsedAsCollateralForConvertibleDebt
Namespace Prefix:	mymx_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The period of time the convertible redeemable note principal amount is to be repaid.

+ References

No definition available.

+ Details

Name:	mymx_TermOfConvertibleRedeemableNote
Namespace Prefix:	mymx_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Fair value, as of the acquisition date, of potential payments under the contingent consideration arrangement including cash and shares.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 65

-Subparagraph a, b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 25

-Paragraph 6

-URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 68

-Subparagraph g(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 20

-Section 35

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=6910684&loc=d3e4570-128470

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (b)(3),(c)(1)

-URI http://asc.fasb.org/extlink&oid=7488404&loc=d3e6927-128479

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph f

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 25

-Paragraph 7

-URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6411-128476

Reference 8: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 20

-Section 25

-Paragraph 27

-URI http://asc.fasb.org/extlink&oid=6946367&loc=d3e3629-128468

Reference 9: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 25

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6405-128476

Reference 10: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 20

-Section 25

-Paragraph 28

-URI http://asc.fasb.org/extlink&oid=6946367&loc=d3e3642-128468

Reference 11: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 29, 30, 41, 42, 64

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 12: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 20

-Section 30

-Paragraph 19

-URI http://asc.fasb.org/extlink&oid=18499824&loc=d3e4243-128469

Reference 13: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 20

-Section 30

-Paragraph 18

-URI http://asc.fasb.org/extlink&oid=18499824&loc=d3e4237-128469

Reference 14: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 20

-Section 40

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6910732&loc=d3e4805-128471

+ Details

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

- Details

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

- Definition

Amount of cash paid to acquire the entity.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 68

-Subparagraph f(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph d

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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

- Definition

Fair value of noncash consideration given by the acquirer to acquire the entity. Does not include cash paid, the fair value of debt and securities issued and liabilities incurred to acquire the entity.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph d

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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

- Details

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

- Definition

The price per share of the conversion feature embedded in the debt instrument.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 470

-SubTopic 20

-Section 50

-Paragraph 5

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6928298&loc=SL6031898-161870

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

-Publisher FASB

-Name FASB Staff Position (FSP)

-Number APB14-1

-Paragraph 32

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Name:	us-gaap_DebtInstrumentConvertibleConversionPrice1
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 21

-Paragraph 16, 20

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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

- Definition

Interest rate stated in the contractual debt agreement.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

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

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Acquisition-Related Contingent Consideration (Details) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012 USD ($)	Dec. 31, 2012 EUR (€)	Mar. 31, 2013 USD ($)	Sep. 30, 2010 USD ($)	Apr. 01, 2009 USD ($)	Apr. 01, 2009 EUR (€)	Mar. 31, 2009	Mar. 31, 2013 Norwood Secured Loan [Member] EUR (€)	Mar. 31, 2013 Norwood Secured Loan [Member] Payment One [Member] EUR (€)	Mar. 31, 2013 Norwood Secured Loan [Member] Payment Two [Member] EUR (€)	Mar. 31, 2013 Norwood Secured Loan [Member] Payment Three [Member] EUR (€)	Mar. 31, 2013 Norwood Secured Loan [Member] Payment Four [Member] EUR (€)	Mar. 31, 2013 Royalties for Influenza Vaccines [Member] Unobservable Inputs (Level 3) [Member] EUR (€)	Dec. 31, 2012 Royalties for Influenza Vaccines [Member] Unobservable Inputs (Level 3) [Member] EUR (€)	Dec. 31, 2012 As recorded on December 31, 2012 [Member] Unobservable Inputs (Level 3) [Member] EUR (€)	Dec. 31, 2012 As recorded on December 31, 2012 [Member] Royalties for RSV [Member] Unobservable Inputs (Level 3) [Member] EUR (€)	Dec. 31, 2012 As recorded on December 31, 2012 [Member] Royalties for HSV [Member] Unobservable Inputs (Level 3) [Member] EUR (€)	Mar. 31, 2013 Measurement Adjustment [Member] Unobservable Inputs (Level 3) [Member] EUR (€)	Mar. 31, 2013 Measurement Adjustment [Member] Royalties for RSV [Member] Unobservable Inputs (Level 3) [Member] EUR (€)	Mar. 31, 2013 Measurement Adjustment [Member] Royalties for HSV [Member] Unobservable Inputs (Level 3) [Member] EUR (€)	Mar. 31, 2013 As adjusted on March 31, 2013 [Member] Unobservable Inputs (Level 3) [Member] EUR (€)	Mar. 31, 2013 As adjusted on March 31, 2013 [Member] Royalties for RSV [Member] Unobservable Inputs (Level 3) [Member] EUR (€)	Mar. 31, 2013 As adjusted on March 31, 2013 [Member] Royalties for HSV [Member] Unobservable Inputs (Level 3) [Member] EUR (€)	Mar. 31, 2013 As adjusted on March 31, 2013 [Member] Royalties for Influenza Vaccines [Member] Unobservable Inputs (Level 3) [Member] EUR (€)
Business Acquisition, Contingent Consideration [Line Items]
Cash consideration paid for Bestewil						€ 5,000
Convertible redeemable note issued for Bestewil						2,500
Term of convertible redeemable note					36 months	36 months
Interest Rate (in hundredths)							5.00%
Conversion Price (in dollars per share)				$ 0.50	$ 0.80
Percentage of acquired entity's shares used as collateral for convertible debt (in hundredths)							33.30%
Numerator for conversion of debt	9,609
Fair value difference between original conversion price and shares actually issued		807
Debt instrument face amount			190					2,500
Debt amendment amount payable									521	517		1,576
Debt amendment principal payable									500	500		1,500
Debt amendment interest payable									21	17	51	76
Outstanding principal after first payment								2,000
Outstanding principal after second payment								1,500
Changes to the Company's acquisition-related contingent consideration [Abstract]
Fair value of the contingent consideration			$ 325										€ 0	€ 0	€ 6,533	€ 3,806	€ 2,727	€ 6,533	€ 3,806	€ 2,727	€ 0	€ 254	€ 0	€ 254