Name:	mdex_DisclosureSeniorSecuredNotesAbstract
Namespace Prefix:	mdex_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The element represents Face Value Of Senior Secured Notes Issued

No definition available.

Name:	mdex_FaceValueOfSeniorSecuredNotesIssued
Namespace Prefix:	mdex_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The element represents Partial Settlement Of Principal.

No definition available.

Name:	mdex_PartialSettlementOfPrincipal
Namespace Prefix:	mdex_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The element represents Senior Secured Notes Net Of Discount

No definition available.

Name:	mdex_SeniorSecuredNotesNetOfDiscount
Namespace Prefix:	mdex_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The element represents senior secured notes net of discount.

No definition available.

Name:	mdex_SeniorSecuredNotesNetOfDiscounts
Namespace Prefix:	mdex_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of assets over their estimated remaining economic lives.

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

Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(8))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1F
-Subparagraph (b)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1F

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 835
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482925/835-30-45-3