Industry Segments (Tables)

6 Months Ended

Jun. 28, 2014

Segment Reporting [Abstract]

Financial Information by Industry Segment

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

	Three Months Ended						Six Months Ended
	June 28, 2014			June 29, 2013			June 28, 2014			June 29, 2013
Net sales by segment:
Semiconductor equipment	$	74,299		$	59,339		$	134,469		$	107,923
Microwave communications equipment		3,551			2,895			8,245			6,538
Consolidated net sales for reportable segments	$	77,850		$	62,234		$	142,714		$	114,461
Segment profit (loss):
Semiconductor equipment	$	4,480		$	(605	)	$	3,655		$	(9,466	)
Microwave communications equipment		(1,798	)		(2,641	)		(2,337	)		(5,013	)
Profit (loss) for reportable segments		2,682			(3,246	)		1,318			(14,479	)
Other unallocated amounts:
Corporate expenses		(1,637	)		(1,650	)		(3,697	)		(3,553	)
Interest and other, net		5			16			19			26
Income (loss) from continuing operations before taxes	$	1,050		$	(4,880	)	$	(2,360	)	$	(18,006	)

Schedule of Customer Concentration to Consolidated Net Sales

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

	Three Months Ended			Six Months Ended
	June 28, 2014	June 29, 2013		June 28, 2014		June 29, 2013
Customers individually more than 10% of consolidated net sales	three		two		three	one
Percentage of consolidated net sales	38%		29%		37%	19%