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Acquisitions | 3 Months Ended
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Mar. 31, 2019
Acquisitions |
Acquisitions | ​ 4. Acquisitions ​ We completed one acquisition in the first quarter of 2019 with a total purchase price of $1.6 million for the three months ended March 31, 2019. We completed two acquisitions in the first quarter of 2018, three acquisitions in the second quarter of 2018 and two acquisitions in the third quarter of 2018. One acquisition completed in the third quarter of 2018 reports as a separate operating location and the remainder were “tucked-in” with existing operations. Our consolidated balance sheet includes preliminary allocations of the purchase price to the assets acquired and liabilities assumed pending the completion of the final valuation of intangible assets and accrued liabilities. ​ The results of operations of acquisitions are included in our consolidated financial statements from their respective acquisition dates. Our consolidated balance sheet includes preliminary allocations of the purchase price to the assets acquired and liabilities assumed for the applicable acquisitions pending the completion of the final valuation of intangible assets and accrued liabilities. The acquisitions completed in the current and prior year were not material, individually or in the aggregate. Additional contingent purchase price (“earn-out”) has been or will be paid if certain acquisitions achieve predetermined profitability targets. Such earn-outs, which are not subject to the continued employment of the sellers, are estimated as of the purchase date and included as part of the consideration paid for the acquisition. If we have an earn-out where continued employment is a condition to receive payment, then the earn-out is recorded as compensation expense over the period earned. ​

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