Other Current Liabilities (Tables)

9 Months Ended

Sep. 27, 2014

Other Liabilities Disclosure [Abstract]

Summary of other current liabilities

Other current liabilities consist of the following as of the following dates (in thousands):

	September 27, 2014		December 28, 2013
Accrued warranty	$	2,990	$	3,426
Accrued professional services	726		545
Customer deposits	3		867
Fair value of contingent payments to Zygo Corporation related to acquisition - current portion	930		1,344
Other	3,185		1,811
Total other current liabilities	$	7,834	$	7,993