Industry Segments (Tables)

9 Months Ended

Sep. 28, 2013

Segment Reporting [Abstract]

Financial Information by Industry Segment

Financial information by industry segment is as follows (in thousands):

	Three Months Ended						Nine Months Ended
	September 28, 2013			September 29, 2012			September 28, 2013			September 29, 2012
Net sales by segment:
Semiconductor equipment	$	52,403		$	47,002		$	160,326		$	139,279
Microwave communications		3,574			7,051			10,112			19,663
Video cameras		3,985			3,695			12,192			11,506
Total consolidated net sales and net sales for reportable segments	$	59,962		$	57,748		$	182,630		$	170,448
Segment profit (loss):
Semiconductor equipment	$	(9,391	)	$	(1,006	)	$	(18,857	)	$	(2,345	)
Microwave communications		(1,511	)		53			(6,524	)		(810	)
Video cameras		458			133			1,116			(49	)
Loss for reportable segments		(10,444	)		(820	)		(24,265	)		(3,204	)
Other unallocated amounts:
Corporate expenses		(1,516	)		(1,787	)		(5,069	)		(5,175	)
Interest and other, net		16			739			42			920
Loss before income taxes	$	(11,944	)	$	(1,868	)	$	(29,292	)	$	(7,459	)

Schedule of Customer Concentration to Consolidated Net Sales

Significant customer concentration information is as follows (in thousands):

	Three Months Ended		Nine Months Ended
	September 28, 2013	September 29, 2012	September 28, 2013	September 29, 2012
Customers individually accounting for more than 10% of consolidated net sales	one	one	one	one
Percentage of consolidated net sales	17%	39%	18%	41%