Debt Covenant, Minimum Liquidity

No definition available.

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

- Definition

Debt Instrument, Default Interest Rate

+ References

No definition available.

+ Details

Name:	mdxg_DebtInstrumentDefaultInterestRate
Namespace Prefix:	mdxg_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Interest Rate, Floor Percentage

+ References

No definition available.

+ Details

Name:	mdxg_DebtInstrumentInterestRateFloorPercentage
Namespace Prefix:	mdxg_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

Name:	mdxg_DebtInstrumentPrepaymentPenaltyasPercentofPrepaidPrincipalPercent
Namespace Prefix:	mdxg_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Prepayment Penalty as Percent of Prepaid Principal, Plus Accrued Interest, Percent

+ References

No definition available.

+ Details

Name:	mdxg_DebtInstrumentPrepaymentPenaltyasPercentofPrepaidPrincipalPlusAccruedInterestPercent
Namespace Prefix:	mdxg_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Unused Capacity, Commitment Fee Percentage

+ References

No definition available.

+ Details

Name:	mdxg_DebtInstrumentUnusedCapacityCommitmentFeePercentage
Namespace Prefix:	mdxg_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Total Net Leverage Ratio

+ References

No definition available.

+ Details

Name:	mdxg_TotalNetLeverageRatio
Namespace Prefix:	mdxg_
Data Type:	xbrli:pureItemType
Balance Type:	na
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

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399

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

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The average effective interest rate during the reporting period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399

Reference 2: 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(a)(1))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentInterestRateDuringPeriod
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

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

- 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
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
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=120391452&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

Name:	us-gaap_DebtInstrumentPeriodicPayment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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=119993939&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

Name:	us-gaap_DebtInstrumentUnamortizedDiscount
Namespace Prefix:	us-gaap_
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=119993939&loc=d3e28555-108399

+ Details

Name:	us-gaap_DeferredFinanceCostsGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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

Name:	us-gaap_LongTermDebtFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_NotesPayableOtherPayablesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=mdxg_HayfinLoanAgreementTermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=mdxg_FinancingTransactionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=mdxg_CreditFacilitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=mdxg_HayfinLoanAgreementDelayedDrawTermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=mdxg_TermLoanAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=mdxg_AmendedTermLoanAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=mdxg_HayfinLoanAgreementTermLoanTotalNetLeverageRatioLessthan2.0xbutGreaterthanorEqualto1.0xMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=mdxg_HayfinLoanAgreementTermLoanTotalNetLeverageRatioLessthan1.0xMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_PrimeRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_FederalFundsEffectiveSwapRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Long Term Debt - Term Loan (Details) - Term loan				3 Months Ended	6 Months Ended		12 Months Ended			24 Months Ended	48 Months Ended
Long Term Debt - Term Loan (Details) - Term loan	Jul. 02, 2020 USD ($)	Apr. 22, 2020 USD ($)	Jun. 10, 2019 USD ($)	Mar. 31, 2021 USD ($)	Jun. 30, 2022	Jun. 30, 2021	Jul. 02, 2023	Jul. 02, 2022	Jul. 02, 2021	Jul. 02, 2025	Jul. 02, 2025	Dec. 31, 2020 USD ($)
Hayfin Loan Agreement Term Loan
Debt Instrument [Line Items]
Principal issued	$ 50,000,000
Original issue discount				$ 293,000								$ 307,000
Hayfin Loan Agreement Term Loan \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Debt instrument, interest rate, floor (percent)	1.50%
Debt instrument, basis spread on variable rate	6.75%
Default interest rate (percent)	3.00%
Interest rate at issuance (percent)				8.30%
Financing Transactions
Debt Instrument [Line Items]
Principal issued	$ 100,000,000
Credit Facilities
Debt Instrument [Line Items]
Debt covenant, minimum liquidity	10,000,000
Original issue discount	500,000
Deferred financing costs	$ 3,253,000
Hayfin Loan Agreement Delayed Draw Term Loan
Debt Instrument [Line Items]
Additional commitment fee (percent)	1.00%
BT Term Loan
Debt Instrument [Line Items]
Principal issued			$ 75,000,000
Fair value of the Term Loan				$ 51,400,000
Quarterly installments			900,000
Original issue discount			2,300,000
Deferred financing costs			$ 6,700,000
Amended Term Loan Agreement
Debt Instrument [Line Items]
Deferred financing costs		$ 700,000
Amended Term Loan Agreement \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		9.00%
Increase in interest rate (percent)		1.00%
Forecast \| Hayfin Loan Agreement Term Loan, Total Net Leverage Ratio Less than 2.0x but Greater than or Equal to 1.0x \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate					6.50%
Forecast \| Hayfin Loan Agreement Term Loan, Total Net Leverage Ratio Less than 1.0x \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate					6.00%
Total net leverage ratio					1.0
Forecast \| Credit Facilities
Debt Instrument [Line Items]
Total net leverage ratio											4.0
Debt instrument, prepayment make-whole premium as percent of prepaid principal (percent)							1.00%	2.00%	5.00%	0.00%
Debt instrument, prepayment make-whole premium as percent of prepaid principal, plus accrued interest (percent)									102.00%
Forecast \| Credit Facilities \| Subsequent Event
Debt Instrument [Line Items]
Total net leverage ratio						4.5
Minimum \| Hayfin Loan Agreement Term Loan \| Prime Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	0.50%
Minimum \| Forecast \| Hayfin Loan Agreement Term Loan, Total Net Leverage Ratio Less than 2.0x but Greater than or Equal to 1.0x \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Total net leverage ratio					1.0
Maximum \| Hayfin Loan Agreement Term Loan \| Fed Funds Effective Rate Overnight Index Swap Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate	2.50%
Maximum \| Forecast \| Hayfin Loan Agreement Term Loan, Total Net Leverage Ratio Less than 2.0x but Greater than or Equal to 1.0x \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Total net leverage ratio					2.0