Other Current Liabilities (Tables)

6 Months Ended

Jun. 28, 2014

Other Liabilities Disclosure [Abstract]

Summary of other current liabilities

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

	June 28, 2014		December 28, 2013
Accrued warranty	$	3,484	$	3,426
Accrued professional services	712		545
Customer deposits	930		867
Fair value of contingent payments to Zygo Corporation related to acquisition - current portion	1,157		1,344
Other	2,065		1,811
Total other current liabilities	$	8,348	$	7,993