Accounts Receivable, Net

3 Months Ended

Mar. 31, 2019

Accounts Receivable Net [Abstract]

Accounts Receivable, Net

(3) Accounts Receivable, Net

Accounts receivable, net is as follows (in thousands):

	As of			As of
	March 31, 2019			December 31, 2018
Accounts receivable	$	36,226		$	41,818
Allowance for doubtful accounts		(810	)		(711	)
Net accounts receivable	$	35,416		$	41,107

Bad debt expense was an expense of $0.1 million and credit of $0.2 million for the three months ended March 31, 2019 and 2018, respectively.  

The following table summarizes the changes in the allowance for doubtful accounts (in thousands):

	Three Months Ended March 31,
	2019			2018
Balance, beginning of period	$	(711	)	$	(863	)
(Additions) reductions		(148	)		192
Write-offs		49			34
Balance, end of period	$	(810	)	$	(637	)

The following table summarizes the changes in the sales reserve (in thousands):

	Three Months Ended March 31,
	2019			2018
Balance, beginning of period	$	(200	)	$	(100	)
Additions		—			—
Write-offs		—			22
Balance, end of period	$	(200	)	$	(78	)