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

- References

No definition available.

Name:	mtex_RecordCompensationExpenseInFutureAbstract
Namespace Prefix:	mtex_
Data Type:	xbrli:stringItemType
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

Tax Benefit Associated With Unrecognized Compensation Expense [Abstract]

No definition available.

Name:	mtex_TaxBenefitAssociatedWithUnrecognizedCompensationExpenseAbstract
Namespace Prefix:	mtex_
Data Type:	xbrli:stringItemType
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 second fiscal year following the current fiscal year.

No definition available.

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

Tax Benefit Associated With Unrecognized Compensation Expense Year Two

No definition available.

Name:	mtex_TaxBenefitAssociatedWithUnrecognizedCompensationExpenseYearTwo
Namespace Prefix:	mtex_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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

Total Net Unrecognized Compensation Expense [Abstract]

No definition available.

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

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

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-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=115993241&loc=d3e301413-122809

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-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=120381028&loc=d3e5070-113901

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

Amount, after tax, of expense for award under share-based payment arrangement.

No definition available.

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

Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-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=120381028&loc=d3e5070-113901

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

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.