Quarterly report pursuant to Section 13 or 15(d)

Business Combinations - Additional Information (Detail)

v3.21.2
Business Combinations - Additional Information (Detail) - USD ($)
 1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 14, 2021
Sep. 30, 2021
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Business Acquisition [Line Items]              
Revenue     $ 22,655,000 $ 15,718,000 $ 60,156,000 $ 40,890,000  
Net loss     (11,444,000) $ (11,013,000) $ (54,726,000) $ (35,490,000) $ (47,876,000)
Pandologic Ltd [Member]              
Business Acquisition [Line Items]              
Total consideration $ 116,633,000            
Equity consideration at closing 31,500,000            
Contingent earnout 30,000,000            
Business combination, measurement period         up to one year from the acquisition date    
Deferred tax assets   $ 0 0   $ 0    
Deferred tax liabilities 12,073,000 0 0   0    
Deferred tax assets, valuation allowance   0 $ 0   0    
Revenue   4,311,000          
Net loss   $ 1,889,000          
Pandologic Ltd [Member] | General and Administrative Expense [Member]              
Business Acquisition [Line Items]              
Acquisition related expenses         $ 2,161,000    
Pandologic Ltd [Member] | Recognized in Compensation Expense Within General and Administrative Expense [Member]              
Business Acquisition [Line Items]              
Contingent earnout 3,600,000            
Pandologic Ltd [Member] | Maximum [Member]              
Business Acquisition [Line Items]              
Estimated useful lives         7 years    
Pandologic Ltd [Member] | Minimum [Member]              
Business Acquisition [Line Items]              
Estimated useful lives         4 years    
Pandologic Ltd [Member] | Common Stock [Member]              
Business Acquisition [Line Items]              
Merger consideration equity interest issued number of shares         1,704,822    
Pandologic Ltd [Member] | Contingent Consideration              
Business Acquisition [Line Items]              
Contingent earnout $ 26,400,000            
Merger Agreement [Member] | Pandologic Ltd [Member]              
Business Acquisition [Line Items]              
Business acquisition, effective date of acquisition Sep. 14, 2021            
Business acquisition, percentage of ownership interests acquired 100.00%            
Business acquisition, name of acquired entity PandoLogic.            
Business acquisition, date of acquisition agreement Jul. 21, 2021            
Total consideration $ 116,633,000            
Merger consideration upfront payment in cash 58,733,000            
Merger Agreement [Member] | Pandologic Ltd [Member] | Maximum [Member]              
Business Acquisition [Line Items]              
Merger, earnout consideration payable 65,000,000            
Merger Agreement [Member] | Pandologic Ltd [Member] | Common Stock [Member]              
Business Acquisition [Line Items]              
Equity consideration at closing $ 31,500,000            
Merger consideration equity interest issued number of shares 1,704,822