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Acquisitions - Summary of Unaudited Proforma Results of Operation (Detail) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Business Acquisition Pro Forma Information [Abstract]        
Revenues $ 12,933 $ 11,685 $ 26,722 $ 20,951
Net income $ 1,379 $ 3,245 $ 3,484 $ 2,390
Earnings per share:        
Basic $ 0.03 $ 0.10 $ 0.09 $ 0.08
Diluted $ 0.03 $ 0.09 $ 0.08 $ 0.07