Accrued Liabilities and Deferred Revenue

6 Months Ended

Jun. 30, 2017

Accrued Liabilities and Deferred Revenue

NOTE 7—ACCRUED LIABILITIES AND DEFERRED REVENUE

Accrued liabilities are comprised of the following (in thousands):

	June 30,		December 31,
	2017		2016
Payroll and benefits	$	1,916	$	2,147
Warranty accrual, current portion		989		933
Taxes		381		638
Accrued professional services		948		782
Accrued capital lease obligations, current portion		74		159
Accrued insurance premium		63		906
Other		289		213
Total accrued liabilities	$	4,660	$	5,778

Changes in the initial product warranty accrual and the expenses incurred under the Company’s initial and extended warranties for the three and six months ended June 30, 2017 and 2016 are included within accrued liabilities on the Consolidated Balance Sheets and were as follows (in thousands):

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2017			2016			2017			2016
Initial warranty accrual, beginning balance	$	1,460		$	2,060		$	1,706		$	2,188
Provision for estimated warranty cost		25			36			2			97
Warranty expenditures		(200	)		(177	)		(423	)		(366	)
		1,285			1,919			1,285			1,919
Less warranty accrual, long-term		296			866			296			866
Total warranty accrual, current portion	$	989		$	1,053		$	989		$	1,053

Deferred revenue is comprised of the following (in thousands):

	June 30,		December 31,
	2017		2016
Undelivered elements (training, installation, and product and support services)	$	1,129	$	1,404
Extended warranty contracts		1,469		1,487
Deferred royalties		82		142
Total Deferred Revenue		2,680		3,033
Less long-term amounts:
Deferred royalties		17		23
Total Deferred Revenue - Long-Term		17		23
Total Deferred Revenue - Current	$	2,663	$	3,010