Name:	mtex_GrossUnrecognizedCompensationExpenseToBeRecognizedInCurrentFiscalYear
Namespace Prefix:	mtex_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Represents unrecognized compensation expense that is expected to be recognized in the second fiscal year following the current fiscal year.

No definition available.

Name:	mtex_GrossUnrecognizedCompensationExpenseYearThree
Namespace Prefix:	mtex_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Represents unrecognized compensation expense that is expected to be recognized in the fiscal year following the current fiscal year.

No definition available.

Name:	mtex_GrossUnrecognizedCompensationExpenseYearTwo
Namespace Prefix:	mtex_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Represents number of active stock based compensation plan during the period.

No definition available.

Name:	mtex_NumberOfActiveStockBasedCompensationPlan
Namespace Prefix:	mtex_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Represents option exercise price as percentages of closing exercise price of stock for specific shareholders who own 10% or more of the entity's outstanding stock.

No definition available.

Name:	mtex_OptionExercisePriceAsPercentagesOfClosingExercisePrice
Namespace Prefix:	mtex_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents percentages of stock option ownership considered for higher exercise price of option.

No definition available.

Name:	mtex_PercentagesOfStockOptionOwnershipConsideredForHigherExercisePriceOfOption
Namespace Prefix:	mtex_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	mtex_RecordCompensationExpenseInFutureAbstract
Namespace Prefix:	mtex_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Represents expiration period of stock option in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	mtex_ShareBasedCompensationArrangementByShareBasedPaymentAwardExpirationPeriod
Namespace Prefix:	mtex_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

The total unrecognized tax benefit related to compensation cost for equity-based payment arrangements expected to be recognized in the remainder of the current fiscal year.

No definition available.

Name:	mtex_TaxBenefitAssociatedWithUnrecognizedCompensationExpense
Namespace Prefix:	mtex_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The total unrecognized tax benefit related to compensation cost for equity-based payment arrangements expected to be recognized in the second fiscal year following the current fiscal year.

No definition available.

Name:	mtex_TaxBenefitAssociatedWithUnrecognizedCompensationExpenseYearFour
Namespace Prefix:	mtex_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The total unrecognized tax benefit related to compensation cost for equity-based payment arrangements expected to be recognized in the second fiscal year following the current fiscal year.

No definition available.

Name:	mtex_TaxBenefitAssociatedWithUnrecognizedCompensationExpenseYearThree
Namespace Prefix:	mtex_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The total unrecognized tax benefit related to compensation cost for equity-based payment arrangements expected to be recognized in the fiscal year following the current fiscal year.

No definition available.

Name:	mtex_TaxBenefitAssociatedWithUnrecognizedCompensationExpenseYearTwo
Namespace Prefix:	mtex_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Represents unrecognized compensation expense that is expected to be recognized in the fiscal year following the current fiscal year.

No definition available.

Name:	mtex_TotalGrossUnrecognizedCompensationExpenseYearFour
Namespace Prefix:	mtex_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest, that is expected to be recognized in the remainder of the current fiscal year.

No definition available.

Name:	mtex_TotalNetUnrecognizedCompensationExpense
Namespace Prefix:	mtex_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

No definition available.

Name:	mtex_TotalNetUnrecognizedCompensationExpenseYearFour
Namespace Prefix:	mtex_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

No definition available.

Name:	mtex_TotalNetUnrecognizedCompensationExpenseYearThree
Namespace Prefix:	mtex_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

No definition available.

Name:	mtex_TotalNetUnrecognizedCompensationExpenseYearTwo
Namespace Prefix:	mtex_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(1)(i)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901

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

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 14

-Section F

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph 64

-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.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 14.F)

-URI http://asc.fasb.org/extlink&oid=6793087&loc=d3e301413-122809

Name:	us-gaap_AllocatedShareBasedCompensationExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The amount of expense, net of income tax, recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

No definition available.

Name:	us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

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

The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.

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

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Details

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

Number of additional shares authorized for issuance under an established share-based compensation plan.

No definition available.

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph a

-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 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Gross number of share options (or share units) granted during the period.

No definition available.

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph c(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 Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (d)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

Description of pertinent provisions of equity-based compensation awards that have actual or potential impact upon the company's financial statements.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph a

-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 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901