Annual report pursuant to Section 13 and 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details)

v3.22.4
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details)
 3 Months Ended 12 Months Ended
Sep. 30, 2022
USD ($)
Dec. 31, 2022
USD ($)
reportingUnit
$ / shares
Dec. 31, 2021
USD ($)
$ / shares
Dec. 31, 2020
USD ($)
Summary of Significant Accounting Policies [Line Items]        
Short-term bank deposit   $ 10,000,000 $ 0  
Weighted average interest rate of time deposits, three months or less   4.10%    
Weighted average interest rate of time deposits, three months through six months   4.10%    
Impairment Long Lived Asset Held For Use Statement Of Income Or Comprehensive Income Extensible Enumeration Not Disclosed Flag   recognized impairment expense    
Impairments of long-lived assets   $ 547,000 0 $ 0
Number of reporting units | reportingUnit   1    
Goodwill impairment   $ 0 0  
Acquired finite-lived intangible assets, weighted average useful life   7 years 7 months 20 days    
Severance costs   $ 946,000 $ 755,000 $ 600,000
Payment term   60 days    
Ad serving services   76.70% 93.60% 96.50%
Measurement serving services   19.70% 1.60% 0.70%
Creative serving services   3.60% 4.80% 2.80%
Employee Severance        
Summary of Significant Accounting Policies [Line Items]        
Number of employee deposit, percent   8.33%    
Postemployment Retirement Benefits        
Summary of Significant Accounting Policies [Line Items]        
Maximum annual contributions per employee, percent   4.00% 4.00%  
Defined contribution plan, cost   $ 1,182,000 $ 961,000 $ 705,000
Public | Level 1        
Summary of Significant Accounting Policies [Line Items]        
Exercise price per share (in dollars per share) | $ / shares   $ 0.40 $ 1.11  
Fair value of warrant   $ 1,265,000 $ 3,510,000  
Customer relationships        
Summary of Significant Accounting Policies [Line Items]        
Acquired finite-lived intangible assets, weighted average useful life   11 years    
Technology        
Summary of Significant Accounting Policies [Line Items]        
Acquired finite-lived intangible assets, weighted average useful life   6 years    
Trade name        
Summary of Significant Accounting Policies [Line Items]        
Acquired finite-lived intangible assets, weighted average useful life   4 years    
Software development costs        
Summary of Significant Accounting Policies [Line Items]        
Useful lives (in years)   three-year    
Capitalization cost   $ 11,143,000 2,594,000  
Asset impairment charges $ 547,000   $ 0 $ 0
Geographic Distribution, Foreign        
Summary of Significant Accounting Policies [Line Items]        
Weighted average interest rate   0.01% 0.01%