Segment Reporting and Geographic Information (Tables)

6 Months Ended

Jun. 30, 2015

Segment Reporting [Abstract]

Reconciliation of Revenue from Segments to Consolidated

The following table summarizes revenues by segment, including intersegment revenues (in thousands):

	Three Months Ended   June 30,						Six Months Ended   June 30,
	2015			2014			2015			2014
Network Equipment	$	24,536		$	21,833		$	46,813		$	44,152
Network Integration	18,195			21,355			34,783			41,408
Total before intersegment adjustments	42,731			43,188			81,596			85,560
Intersegment adjustments	(17		)	(64		)	(109		)	(118		)
Total	$	42,714		$	43,124		$	81,487		$	85,442

Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas

The following table summarizes external revenue by geographic region (in thousands):

	Three months ended				Six months ended
	June 30,				June 30,
	2015		2014		2015		2014
United States	$	13,613	$	13,555	$	23,865	$	26,411
Americas (Excluding the U.S.)	1,857		126		4,620		682
Europe	23,494		26,522		44,310		53,101
Asia Pacific	3,750		2,921		8,692		5,248
Total	$	42,714	$	43,124	$	81,487	$	85,442

The following table summarizes long-lived assets, consisting of property and equipment, by geographic region (in thousands):

	June 30, 2015		December 31, 2014
Americas	$	2,815	$	3,078
Europe	1,767		1,786
Asia Pacific	23		26
Total	$	4,605	$	4,890

Reconciliation of Operating Profit (Loss) from Segments to Consolidated

The following table provides selected Statement of Operations information by business segment (in thousands):

	Three months ended						Six months ended
	June 30,						June 30,
	2015			2014			2015			2014
Gross profit
Network Equipment	$	11,959		$	11,185		$	23,503		$	21,944
Network Integration	3,133			3,598			5,464			6,088
Total before intersegment adjustments	15,092			14,783			28,967			28,032
Corporate unallocated and intersegment adjustments(1)	—			(1		)	1			1
Total	$	15,092		$	14,782		$	28,968		$	28,033
Depreciation and amortization expense
Network Equipment	$	516		$	433		$	987		$	969
Network Integration	31			51			61			100
Corporate	29			20			58			59
Total	$	576		$	504		$	1,106		$	1,128
Operating income (loss)
Network Equipment	$	520		$	(1,503	)	$	322		$	(4,343	)
Network Integration	1,533			1,704			2,038			2,550
Total before intersegment adjustments	2,053			201			2,360			(1,793		)
Corporate unallocated operating loss and adjustments (1)	(1,250		)	(1,327		)	(2,368		)	(3,182		)
Total	$	803		$	(1,126	)	$	(8	)	$	(4,975	)

(1) Adjustments reflect the elimination of intersegment revenue and profit in inventory.

Reconciliation of Assets and Other Reconciling Items from Segment to Consolidated

The following tables provide selected Balance Sheet and Statement of Cash Flow information by business segment (in thousands):

	Six months ended
	June 30,
	2015			2014
Additions (write-offs) of property and equipment
Network Equipment	$	713		$	1,019
Network Integration	62			74
Corporate	(6		)	83
Total	$	769		$	1,176

	June 30, 2015		December 31, 2014
Total Assets
Network Equipment	$	42,192	$	40,664
Network Integration	49,588		56,921
Corporate and intersegment eliminations	8,272		16,987
Total	$	100,052	$	114,572