Accrued Liabilities

6 Months Ended

Jun. 30, 2017

Accrued Liabilities and Other Liabilities [Abstract]

Accrued Liabilities

8. Accrued Liabilities

Accrued liabilities consisted of the following:

	June 30,		December 31,
	2017		2016
Salaries, benefits and related expenses	$	1,544	$	2,349
Device maintenance		338		483
Device warranty		123		203
Professional fees		123		56
Clinical trials		55		-
Equipois earn-out		-		355
Other		275		110
Total	$	2,458	$	3,556

A reconciliation of the changes in the current portion of maintenance and warranty liabilities for the period ended June 30, 2017 was as follows: 

	Maintenance		Warranty		Total
Balance at December 31, 2016	$	483	$	203	$	686
Incurred costs		(145)		(80)		(225)
Balance at June 30, 2017	$	338	$	123	$	461