Other Accrued Liabilities (Tables)

9 Months Ended

Sep. 30, 2018

Other Accrued Liabilities [Abstract]

Other Accrued Liabilities

	September 30, 2018		December 31, 2017
Accrued warranty, current	$	146	$	109
Accrued compensation, including commissions and vacation		1,196		785
Accrued sales and other taxes		869		904
Distributor rights liability, current		-		85
Accrued professional fees and other accrued liabilities		486		477
Total other accrued liabilities	$	2,697	$	2,360

Accrued Warranty Costs Activity

The activity in the warranty accrual during the nine months ended September 30, 2018 and 2017 is summarized as follows:

	September 30, 2018			December 31, 2017
Balance at beginning of period	$	178		$	115
Additions charged to warranty expense		91			161
Expiring warranties/claimed satisfied		(19	)		(98	)
Balance at end of period	$	250		$	178