Revenue (Tables)

6 Months Ended

Jun. 30, 2019

Revenue from Contract with Customer [Abstract]

Schedule of Accounts Receivable and Allowance for Doubtful Accounts

Accounts receivable allowance for doubtful accounts and credit memos activity is as follows:

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2019			2018			2019			2018
Balance, beginning of period	$	1,507		$	1,663		$	1,364		$	1,586
Add Provision charged to expense(a)	195			58			387			173
Recoveries	—			15			11			26
Less Charges against allowance	(1		)	(58		)	(61		)	(107		)
Balance, end of period	$	1,701		$	1,678		$	1,701		$	1,678

^(a) Includes the net amount of credit memos reserved and issued.

Schedule of Company-wide Geographic Data

Company-wide geographic data is as follows:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2019		2018		2019		2018
Net sales
United States	$	93,891	$	97,933	$	189,023	$	191,499
Canada	11,708		11,821		23,548		24,275
Mexico	12,865		15,590		25,521		31,538
France	13,527		13,158		28,625		27,037
China	11,167		7,480		21,578		13,816
All other countries	4,772		4,432		9,162		8,122
Total	$	147,930	$	150,414	$	297,457	$	296,287