Revenues (Tables)

6 Months Ended

Jun. 30, 2019

Revenue from Contract with Customer [Abstract]

Our revenues from contracts with customers disaggregated by revenue source, excluding sales-based taxes, were as follows (in thousands):



	Three Months Ended June 30,				Six Months Ended June 30,
	2019		2018		2019		2018
Product sales	$	56,326	$	71,470	$	136,458	$	181,220
Extended warranties and services	1,168		1,737		3,637		5,219
Other⁽¹⁾	1,510		2,291		3,309		3,872
Net sales	$	59,004	$	75,498	$	143,404	$	190,311

⁽¹⁾ Other revenue is primarily freight and delivery and royalty income.

Our revenues disaggregated by geographic region, based on ship-to address, were as follows (in thousands):



	Three Months Ended June 30,				Six Months Ended June 30,
	2019		2018		2019		2018
United States	$	48,897	$	65,498	$	119,085	$	169,079
Canada	3,557		3,283		11,486		9,066
All other	6,550		6,717		12,833		12,166
Net sales	$	59,004	$	75,498	$	143,404	$	190,311

Contract with Customer, Asset and Liability [Table Text Block]

The following table provides information about our liabilities from contracts with customers, primarily customer deposits and deferred revenue, all of which are short-term in nature. The revenue recognized from contract liabilities and the remaining balances are presented in accrued liabilities and are shown below (in thousands):



	Three Months Ended June 30,						Six Months Ended June 30,
	2019			2018			2019			2018
Balance, beginning of period	$	479		$	693		$	816		$	1,084
Cash additions	351			304			512			993
Revenue recognition	(268		)	(249		)	(766		)	(1,329		)
Balance, end of period	$	562		$	748		$	562		$	748