Basis of Presentation and Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2022

Summary of Changes in Allowance for Doubtful Accounts

The following table presents changes in the allowance for doubtful accounts for the three months ended March 31, 2022:

	(in thousands)
Balance as of December 31, 2021	$	54
Provision for doubtful accounts		51
Write-offs, net of recoveries		(1	)
Balance as of March 31, 2022	$	104

Customer Concentration Risk

Schedules of Concentrations of Credit Risk

The following table provides the Company’s concentrations of risk with respect to individual customers as a percentage of the Company’s total revenues:

	Three Months Ended March 31,
Individual Customer	2022	2021
A	*		17.2	%
B	*		11.1	%

*  Less than 10% of total revenues.

Advertising Agency Risk

Schedules of Concentrations of Credit Risk

The following table provides the Company’s concentrations of credit risk with respect to advertising agency holding companies as a percentage of the Company’s total revenues:

	Three Months Ended March 31,
Advertising Agency Holding Company	2022	2021
A	*		13.5	%

   *  Less than 10% of total revenues.