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Subsequent Events - Additional Information (Detail) - CloudControlMedia, LLC [Member] - Subsequent Event [Member] | Apr. 15, 2019 USD ($)
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Subsequent Event [Line Items] |
Date of acquisition | Apr. 15, 2019
Cash paid upon closing | $ 8,300,000
Cash paid for net assets acquired | 800,000
Business Combination, post-closing payments | 7,500,000
Business combination, total earn-out estimated payments, low | 3,100,000
Business combination, total earn-out estimated payments, high | $ 4,200,000
Business combination, deferred consideration payment period | 4 years
Business combination, deferred consideration payment description | The post-closing payments are payable in equal semi-annual installments over a four year period, with the first installment payable six months following April 15, 2019 and the earn-out is calculated every June 30 and December 31 for the preceding six months, payable within 45 days from the semi-annual date.

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