Other Accrued Liabilities (Tables)

3 Months Ended

Mar. 31, 2019

Other Accrued Liabilities [Abstract]

Other Accrued Liabilities

Other accrued liabilities consist of:

	March 31, 2019		December 31, 2018
Accrued warranty, current	$	183	$	156
Accrued compensation, including commissions and vacation		1,017		1,275
Accrued state sales, use and other taxes		2,840		2,719
Accrued professional fees and other accrued liabilities		684		350
Total other accrued liabilities	$	4,724	$	4,500

Accrued Warranty Costs Activity

The activity in the warranty accrual during the three months ended March 31, 2019 and 2018, is summarized as follows:

	March 31,
	2019			2018
Accrual at beginning of year	$	238		$	178
Additions charged to warranty expense		68			63
Expiring warranties/claimed satisfied		(34	)		(46	)
Total		272			195
Less: current portion		(183	)		(120	)
Total long-term accrued warranty costs	$	89		$	75