Business acquisition contingent consideration potential cash payables.

No definition available.

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- Definition

Business Acquisition Cost Of Acquired Entity Transaction Cost

+ References

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Business acquisition cost of acquired entity transaction cost reversal.

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Business acquisition contingent consideration possible milestone payments.

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Number of agreements.

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- Definition

With respect to a business combination completed during the period, this element provides a description of the business, other than the name, which may include the industry, size, products and other important information.

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Date when the acquirer obtains control of the acquiree, in CCYY-MM-DD format.

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Number of shares of equity interests issued or issuable to acquire entity.

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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.

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No definition available.

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Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.

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No definition available.

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- Definition

Amount of liability recognized arising from contingent consideration in a business combination.

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Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled beyond one year or the normal operating cycle, if longer.

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This element represents the amount of any measurement period adjustment (as defined) realized during the reporting period to items of consideration transferred in connection with a business combination for which the initial accounting was incomplete.

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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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.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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The cash inflow associated with the amount received from entity's raising of capital via private rather than public placement.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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Business Combinations - Additional Information (Detail) $ / shares in Units, shares in Millions			3 Months Ended								12 Months Ended
	Jul. 13, 2017 USD ($)	Jul. 07, 2017 USD ($) Agreement $ / shares shares	Dec. 31, 2019 USD ($)	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Sep. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)	Mar. 31, 2018 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Jul. 31, 2018 USD ($)	Apr. 20, 2018 USD ($)	Apr. 19, 2018 USD ($)	Apr. 19, 2017 USD ($)	Dec. 31, 2016 USD ($)
Business Acquisition [Line Items]
Fair value of contingent consideration liability													$ 17,125,000
Contingent consideration liability							$ 6,069,000					$ 6,069,000	17,125,000					$ 0
Revolving credit availability			$ 13,000,000				9,000,000				$ 13,000,000	9,000,000
Revenues			50,360,000	$ 49,543,000	$ 48,472,000	$ 45,199,000	44,645,000	$ 44,292,000	$ 44,894,000	$ 43,333,000	193,574,000	177,164,000	147,882,000
Net income			2,274,000	$ 1,949,000	$ 5,958,000	$ 964,000	$ 874,000	$ 1,620,000	$ 2,817,000	$ 1,380,000	11,145,000	6,691,000	1,626,000
PNC Bank, National Association [Member]
Business Acquisition [Line Items]
Credit agreement provides for total aggregate commitment	$ 65,000,000
Share price for purposes of calculation (in dollars per share) \| $ / shares		$ 0.01
Gross proceeds from private placement	6,000,000
Revolving Line of Credit [Member]
Business Acquisition [Line Items]
Credit agreement provides for total aggregate commitment			32,500,000								32,500,000				$ 32,500,000
Revolving credit availability			22,500,000								22,500,000				22,500,000	$ 27,500,000	$ 27,500,000
Revolving Line of Credit [Member] \| Swing Loans [Member]
Business Acquisition [Line Items]
Credit agreement provides for total aggregate commitment			$ 5,000,000								$ 5,000,000				$ 5,000,000	$ 3,000,000	$ 3,000,000
Term Loan Facility [Member] \| PNC Bank, National Association [Member]
Business Acquisition [Line Items]
Term loan facility	30,500,000
Delayed Draw Term Loan Facility [Member] \| PNC Bank, National Association [Member]
Business Acquisition [Line Items]
Term loan facility	7,000,000
Ashok Trivedi and Sunil Wadhwani [Member] \| PNC Bank, National Association [Member]
Business Acquisition [Line Items]
Stock issued (in shares) \| shares		1.7
Maximum [Member] \| Revolving Line of Credit [Member] \| PNC Bank, National Association [Member]
Business Acquisition [Line Items]
Revolving credit availability	27,500,000
Revolving credit facility	37,500,000
Info Trellis Inc [Member]
Business Acquisition [Line Items]
Date of acquisition											Jul. 13, 2017
Business acquisition, description											On July 7, 2017, Mastech Digital, Inc., through its wholly-owned subsidiaries Mastech InfoTrellis, Inc., Mastech InfoTrellis Digital, Ltd., Mastech Digital Data, Inc. and Mastech Digital Private Limited (collectively, the “Company Entities”), entered into two Asset Purchase Agreements and a Share Purchase Agreement (collectively, the “Purchase Agreements”) to acquire substantially all of the assets comprising the consulting services business in the areas of master data management, data integration and big data (the “Acquired Business”) of InfoTrellis Inc., InfoTrellis, Inc. and 2291496 Ontario Inc., including all outstanding shares of InfoTrellis India Private Limited (collectively, “InfoTrellis”). The aforementioned transaction was closed on July 13, 2017.
Cash consideration	35,750,000
Working capital adjustments excluded	(861,000)
Contingent consideration in deferred cash payments	19,250,000
Fair value of contingent consideration liability	$ 17,125,000
Contingent consideration liability														$ 0
Transaction costs related to acquisition													2,000,000
Reversal of transaction costs related to acquisition											$ 110,000	$ 140,000
Revenues													9,200,000
Net income													$ 1,100,000
Info Trellis Inc [Member] \| Asset Purchase Agreements [Member]
Business Acquisition [Line Items]
Number of purchase agreement \| Agreement		2
Info Trellis Inc [Member] \| Share Purchase Agreement [Member]
Business Acquisition [Line Items]
Number of purchase agreement \| Agreement		1
Info Trellis Inc [Member] \| Actual Year 1 EBIT [Member]
Business Acquisition [Line Items]
EBIT set as milestone		$ 10,000,000
Info Trellis Inc [Member] \| Actual Year 1 EBIT [Member] \| Maximum [Member]
Business Acquisition [Line Items]
Fair value of contingent consideration liability		8,250,000
Info Trellis Inc [Member] \| Actual Year 2 EBIT [Member]
Business Acquisition [Line Items]
EBIT set as milestone		10,700,000
Info Trellis Inc [Member] \| Actual Year 2 EBIT [Member] \| Maximum [Member]
Business Acquisition [Line Items]
Fair value of contingent consideration liability		$ 11,000,000