XML 75 R64.htm IDEA: XBRL DOCUMENT v3.21.1
Acquisition - Summary of Estimated Fair Value of Assets Acquired and Liabilities Assumed (Detail) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Business Acquisition [Line Items]    
Goodwill $ 17,558 $ 32,330
Sonar Acquisition    
Business Acquisition [Line Items]    
Cash and cash equivalents 480  
Accounts receivable 141  
Prepaid expenses and other current assets 42  
Property and equipment 25  
Identifiable intangible assets 5,052  
Liabilities assumed (171)  
Deferred tax liabilities (1,184)  
Net assets acquired 4,385  
Goodwill 8,930  
Total $ 13,315