Accounts Receivable, Net

6 Months Ended

Jun. 30, 2017

Accounts Receivable Net [Abstract]

Accounts Receivable, Net

(3) Accounts Receivable, Net

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

	As of			As of
	June 30, 2017			December 31, 2016
Accounts receivable	$	22,602		$	18,231
Allowance for doubtful accounts and sales reserve		(726	)		(419	)
Net accounts receivable	$	21,876		$	17,812

Bad debt expense and sales credits reserve were $0.3 million and $0.4 million for the three and six months ended June 30, 2017, respectively, and none and $0.1 million for the three and six months ended June 30, 2016, respectively.  

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

	For the Three Months Ended June 30,						For the Six Months Ended June 30,
	2017			2016			2017			2016
Balance, beginning of period	$	(359	)	$	(374	)	$	(374	)	$	(336	)
Additions		(289	)		—			(289	)		(87	)
Write-offs		38			—			53			49
Balance, end of period	$	(610	)	$	(374	)	$	(610	)	$	(374	)

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

	For the Three Months Ended June 30,						For the Six Months Ended June 30,
	2017			2016			2017			2016
Balance, beginning of period	$	(125	)	$	(45	)	$	(45	)	$	(45	)
Additions		—			—			(80	)		—
Write-offs		9			—			9			—
Balance, end of period	$	(116	)	$	(45	)	$	(116	)	$	(45	)