Acquisitions - Summary of Unaudited Proforma Results of Operation (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Business Acquisition Pro Forma Information [Abstract]
Revenues	$ 12,629	$ 12,909	$ 39,350	$ 33,860
Net income	$ 161	$ 3,821	$ 3,645	$ 6,211
Earnings per share:
Basic	$ 0.00	$ 0.10	$ 0.09	$ 0.19
Diluted	$ 0.00	$ 0.10	$ 0.09	$ 0.18

Pro forma basic earnings per share or earnings per unit, which is commonly presented in initial public offerings based on the terms of the offering.

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

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-Publisher FASB
-Name Accounting Standards Codification
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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
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Pro forma diluted earnings per share, which is commonly presented in initial public offerings.

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