Debt Covenant, Minimum Liquidity

No definition available.

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Namespace Prefix:	mdxg_
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- Definition

Debt Covenant, Total Leverage Ratio

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Prepayment Penalty as Percent of Prepaid Principal, Percent

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Proceeds from Payroll Protection Program Loan

+ References

No definition available.

+ Details

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Namespace Prefix:	mdxg_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Repayment of Payroll Protection Program Loan

+ References

No definition available.

+ Details

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Namespace Prefix:	mdxg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Incremental percentage increase (decrease) in the stated rate on a debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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Data Type:	num:percentItemType
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Period Type:	instant

- Definition

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.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentLineItems
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Data Type:	xbrli:stringItemType
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Period Type:	duration

- Definition

Amount of the required periodic payments including both interest and principal payments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

Amount, after accumulated amortization, of debt discount.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28541-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28555-108399

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Balance Type:	debit
Period Type:	instant

- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

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Namespace Prefix:
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- Details

Name:	us-gaap_DebtInstrumentAxis=mdxg_TermLoanAgreementMember
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Data Type:	na
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- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
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- Details

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- Details

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Long Term Debt - Term Loan (Details)					2 Months Ended	7 Months Ended	12 Months Ended		18 Months Ended
Long Term Debt - Term Loan (Details)	May 11, 2020 USD ($)	Apr. 24, 2020 USD ($)	Apr. 22, 2020 USD ($)	Jun. 10, 2019 USD ($)	Jun. 30, 2020 USD ($)	Nov. 30, 2020 USD ($)	Jun. 10, 2021	Jun. 10, 2020	Jun. 20, 2022 USD ($)	Mar. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Proceeds from Payroll Protection Program loan		$ 10,000,000
Repayment of Payroll Protection Program loan	$ 10,000,000
Term loan \| BT Term Loan
Debt Instrument [Line Items]
Debt instrument, periodic payment				$ 900,000
Debt instrument, unamortized discount				2,300,000
Debt issuance costs, gross				$ 6,700,000
Stated interest rate (percent)				10.46%	10.50%
Debt covenant, total leverage ratio					5.0
Debt instrument, prepayment penalty as percent of prepaid principal								3.00%
Fair value of term loan					$ 69,200,000
Term loan \| BT Term Loan \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate					9.00%
Term loan \| Amended Term Loan Agreement [Member]
Debt Instrument [Line Items]
Debt issuance costs, gross			$ 700,000
Term loan \| Amended Term Loan Agreement [Member] \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Increase in interest rate (percent)			1.00%
Debt instrument, basis spread on variable rate			9.00%
Forecast \| Term loan \| BT Term Loan
Debt Instrument [Line Items]
Debt covenant, total leverage ratio										3.0	2.50
Debt covenant, minimum liquidity						$ 20,000,000.0			$ 20,000,000.0
Debt instrument, prepayment penalty as percent of prepaid principal							2.00%