Note 3 - Balance Sheet Components (Tables)

9 Months Ended

Sep. 30, 2014

Disclosure Text Block Supplement [Abstract]

Property, Plant and Equipment [Table Text Block]

	September 30, 2014			December 31, 2013
Property and equipment, net:
Computer equipment	$	10,033		$	9,969
Software		3,374			3,441
Furniture, fixtures and equipment		739			734
Leasehold improvements		1,118			1,052
Test equipment		5,693			4,928
Construction-in-progress		2,641			1,421
		23,598			21,545
Less: accumulated depreciation		(14,919	)		(14,481	)
Total	$	8,679		$	7,064