Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2020

Accrued Liabilities and Other Liabilities [Abstract]

Schedule of Accrued Liabilities

Accrued liabilities consisted of the following:

	December 31,
	2020		2019
Salaries, benefits and related expenses	$	1,194	$	1,098
Device warranty	188		285
Other	47		300
Total	$	1,429	$	1,683

Schedule of Warranty Costs

	Warranty
	2020		2019
Balance at beginning of the period	$	350	$	319
Additions for estimated future expense	219		416
Incurred costs	(343)		(385)
Balance at end of the period	$	226	$	350
Current portion	188		285
Long-term portion	38		65
Total	$	226	$	350