XML 66 R49.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Credit Facility - Additional information (Detail) - USD ($) |  |  |  | 1 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Jan. 03, 2023 | Jan. 04, 2022 | Oct. 01, 2020 | Aug. 31, 2022 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Jul. 13, 2017
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Payment of deferred financing costs |  |  |  |  | $ 64,000 | $ 0 | $ 223,000 |  |
Deferred financing costs |  |  |  |  | 284,000 | 293,000 |  |  |
Repayments of debt |  |  |  |  | 1,100,000 | 12,000,000 | $ 4,400,000 |  |
Revolving Line of Credit [Member] |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Percentage of eligible accounts receivable |  |  |  |  |  |  |  | 85.00% |
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 |  |  |  |  | $ 1,039,000 |  |  |  |
PNC Bank, N.A. [Member] | Term Loan Facility [Member] |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Credit facility maximum borrowing capacity |  |  |  |  | 0 | 1,100,000 |  |  | 13,100,000
Credit facility, periodic payment |  |  | $ 1,100,000 |  |  |  |  |  |
Repayments of debt |  |  |  | $ 7,600,000 |  |  |  |  |
Line of credit facility final amount | $ 1,100,000 |  |  |  |  |  |  |  |
PNC Bank, N.A. [Member] | Revolving Line of Credit [Member] |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Credit facility maximum borrowing capacity |  |  |  |  | $ 22,500,000 | $ 31,800,000 |  |  | $ 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 SOFR rate |  |  |  |  |  |  |  | 2.25% |
Term loan percentage margin adjusted SOFR 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 SOFR rate |  |  |  |  |  |  |  | 1.50% |
Term loan percentage margin adjusted SOFR 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 final amount. + References No definition available. + Details
Name: | mhh_LineOfCreditFacilityFinalAmount
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 SOFR rate. + References No definition available. + Details
Name: | mhh_RevolvingCreditFacilityPercentageMarginAdjustedSofrRate
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 SOFR rate. + References No definition available. + Details
Name: | mhh_TermLoanPercentageMarginAdjustedSofrRate
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, 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 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=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: | us-gaap_CreditFacilityAxis=mhh_TermLoanMember
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: |