Other Accrued Liabilities (Tables)

3 Months Ended

Mar. 31, 2021

Other Accrued Liabilities [Abstract]

Other Accrued Liabilities

Other accrued liabilities consist of:

	March 31, 2021		December 31, 2020
Accrued warranty, current	$	63	$	87
Accrued compensation, including commissions and vacation		1,491		891
Accrued state sales, use and other taxes		3,150		3,105
Accrued professional fees and other accrued liabilities		582		607
Total other accrued liabilities	$	5,286	$	4,690

Accrued Warranty Costs Activity

The activity in the warranty accrual during the three months ended March 31, 2021 and, 2020, is summarized as follows:

	Three Months Ended, March 31,
	2021			2020
Accrual at beginning of period	$	113		$	232
Additions charged to warranty expense		4			3
Expiring warranties/claimed satisfied		(32	)		(54	)
Total		85			181
Less: current portion		(63	)		(143	)
Total long-term accrued warranty costs	$	22		$	38