Note 13 - Segment Data (Tables)

12 Months Ended

Dec. 31, 2014

Segment Reporting [Abstract]

Revenue from External Customers by Geographic Areas [Table Text Block]

Revenues	2014		2013		2012
North America	$	7,700	$	8,317	$	7,947
Pacific Rim		4,962		4,861		3,340
Europe		1,115		2,410		2,568
Total	$	13,777	$	15,588	$	13,855

Revenue from External Customers by Products and Services [Table Text Block]

Product and Service Revenues	2014		2013		2012
Communications networking	$	8,571	$	11,100	$	10,475
Services		4,957		4,332		3,246
Other		249		156		134
Total	$	13,777	$	15,588	$	13,855