XML 48 R38.htm IDEA: XBRL DOCUMENT
v3.23.3

Credit Facility - Additional information (Detail) - USD ($) |  |  | 1 Months Ended | 9 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Jan. 04, 2022 | Oct. 01, 2020 | Aug. 31, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2020 | Dec. 31, 2022 | Dec. 31, 2021
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Current borrowing capacity under line of credit facility |  |  |  | $ 24,800,000 |  |  | $ 31,800,000 |
Deferred financing costs |  |  |  | 238,000 |  |  | 293,000 |
Repayments of debt |  |  |  | 1,100,000 | $ 10,900,000 |  |  |
Term Loan Facility [Member] |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Outstanding borrowings amount |  |  |  | 0 |  |  | 1,100,000 |
Revolving Line of Credit [Member] |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Percentage of eligible accounts receivable |  |  |  |  |  | 85.00% |  |
Outstanding borrowings amount |  |  |  | $ 0 |  |  | 0 |
Revolving Line of Credit [Member] | United States [Member] |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Percentage of eligible unbilled accounts |  |  |  |  |  | 60.00% |  |
Revolving Line of Credit [Member] | Canada [Member] |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Credit facility maximum borrowing capacity |  |  |  |  |  | $ 10,000,000 |  |
Percentage of eligible accounts receivable |  |  |  |  |  | 85.00% |  |
Percentage of eligible unbilled accounts |  |  |  |  |  | 60.00% |  |
Revolving Line of Credit [Member] | Line of Credit [Member] |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Credit facility maximum borrowing capacity |  |  |  |  |  | $ 5,000,000 |  |
Revolving Line of Credit [Member] | Swing Loans [Member] |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Credit facility maximum borrowing capacity |  |  |  |  |  | $ 6,000,000 |  |
Federal Funds Rate [Member] |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  | 0.50% |  |  |  |
PNC Bank, N.A. [Member] |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Credit facility maximum borrowing capacity |  |  |  |  |  |  | $ 53,100,000 |
Payment of deferred financing costs |  | $ 975,000 |  |  |  |  |  |
PNC Bank, N.A. [Member] | Term Loan Facility [Member] |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Credit facility maximum borrowing capacity |  |  |  |  |  |  |  | $ 13,100,000
Credit facility, periodic payment |  | 1,100,000 |  |  |  |  |  |
Repayments of debt |  |  | $ 7,600,000 |  |  |  |  |
Line of credit facility outstanding amount |  |  |  | $ 0 |  |  |  |
PNC Bank, N.A. [Member] | Revolving Line of Credit [Member] |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Credit facility maximum borrowing capacity |  | $ 40,000,000 |  |  |  |  |  |
Maximum [Member] |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Revolving credit facility percentage margin over base rate |  |  |  |  |  | 1.25% |  |
Term loan percentage margin over base rate |  |  |  |  |  | 2.50% |  |
Revolving credit facility percentage margin adjusted LIBOR rate |  |  |  |  |  | 2.25% |  |
Term loan percentage margin adjusted LIBOR rate |  |  |  |  |  | 3.50% |  |
Maximum [Member] | PNC Bank, N.A. [Member] | Revolving Line of Credit [Member] |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Credit facility additional borrowing capacity upon certain conditions | $ 20,000,000 |  |  |  |  |  |  |
Minimum [Member] |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Revolving credit facility percentage margin over base rate |  |  |  |  |  | 0.50% |  |
Term loan percentage margin over base rate |  |  |  |  |  | 1.75% |  |
Revolving credit facility percentage margin adjusted LIBOR rate |  |  |  |  |  | 1.50% |  |
Term loan percentage margin adjusted LIBOR rate |  |  |  |  |  | 2.75% |  |

X
- Definition Line of credit facility additional borrowing capacity upon certain conditions. + References No definition available. + Details
Name: | mhh_LineOfCreditFacilityAdditionalBorrowingCapacityUponCertainConditions
Namespace Prefix: | mhh_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line of credit facility outstanding amount. + References No definition available. + Details
Name: | mhh_LineOfCreditFacilityOutstandingAmount
Namespace Prefix: | mhh_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Percentage of eligible accounts receivable used to determine borrowings available under credit facility. + References No definition available. + Details
Name: | mhh_PercentageOfEligibleAccountsReceivableUsedToDetermineBorrowingsAvailableUnderCreditFacility
Namespace Prefix: | mhh_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of eligible unbilled accounts used to determine borrowings available under credit facility. + References No definition available. + Details
Name: | mhh_PercentageOfEligibleUnbilledAccountsUsedToDetermineBorrowingsAvailableUnderCreditFacility
Namespace Prefix: | mhh_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Revolving credit facility percentage margin adjusted LIBOR rate. + References No definition available. + Details
Name: | mhh_RevolvingCreditFacilityPercentageMarginAdjustedLiborRate
Namespace Prefix: | mhh_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Revolving credit facility percentage margin over base rate. + References No definition available. + Details
Name: | mhh_RevolvingCreditFacilityPercentageMarginOverBaseRate
Namespace Prefix: | mhh_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Term loan percentage margin adjusted LIBOR rate. + References No definition available. + Details
Name: | mhh_TermLoanPercentageMarginAdjustedLiborRate
Namespace Prefix: | mhh_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Delayed draw term loan percentage margin over base rate. + References No definition available. + Details
Name: | mhh_TermLoanPercentageMarginOverBaseRate
Namespace Prefix: | mhh_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- 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: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_DebtInstrumentUnusedBorrowingCapacityAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount, after accumulated amortization, of debt issuance costs classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482925/835-30-45-3 + Details
Name: | us-gaap_DeferredFinanceCostsNoncurrentNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 + Details
Name: | us-gaap_LineOfCredit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- 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 Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(f)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1 + Details
Name: | us-gaap_LineOfCreditFacilityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of the required periodic payments of both interest and principal. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_LineOfCreditFacilityPeriodicPayment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash outflow for loan and debt issuance costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-15 + Details
Name: | us-gaap_PaymentsOfFinancingCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of cash outflow for short-term and long-term debt. Excludes payment of lease obligation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 15 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-15 + Details
Name: | us-gaap_RepaymentsOfDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_CreditFacilityAxis=mhh_TermLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=country_CA
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=us-gaap_LineOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=mhh_SwingLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=mhh_FederalFundsRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LineOfCreditFacilityAxis=mhh_PncBankNaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |