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Subsequent Events (Details) (Subsequent Event [Member], USD $) | Jul. 03, 2013
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Subsequent Event [Line Items] |
Proceeds from Issuance Initial Public Offering | $ 100,500,000
Common Stock [Member] |
Subsequent Event [Line Items] |
Shareholders, Resale to the Public, Shares | 7,500,000

X
- Definition Shareholders Stock Authorized for Sale, Shares + References No definition available. + Details
Name: | mdxg_ShareholdersStockAuthorizedforSaleShares
Namespace Prefix: | mdxg_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Stock Authorized for Sale, Amount + References No definition available. + Details
Name: | mdxg_StockAuthorizedforSaleAmount
Namespace Prefix: | mdxg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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