Accounts Receivable, Net

12 Months Ended

Dec. 31, 2021

Receivables [Abstract]

Accounts Receivable, Net

4. Accounts receivable, net

Accounts receivable, net consist of the following:

(In thousands)	December 31, 2021			December 31, 2020
Accounts receivable	$	3,764		$	3,239
Less: Allowance for doubtful accounts		(28	)		(38	)
Total accounts receivable, net	$	3,736		$	3,201

The movement of allowance for doubtful accounts is shown below:

	Year Ended December 31,
(In thousands)	2021			2020
Beginning balance	$	38		$	40
Charges to expenses		95			406
Write-offs		(105	)		(408	)
Ending balance	$	28		$	38