Note 11 - Segment and Geographic Information (Details) - Operating Segment Data (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Revenues:
Revenues	$ 16,011	$ 13,959	$ 43,336	$ 32,692
Operating income (loss):
Operating income (loss)	(2,365)	(1,015)	(2,509)	(3,729)
Unallocated corporate expense	(5,244)		(7,529)
Americas [Member]
Revenues:
Revenues	10,094		26,909
Operating income (loss):
Operating income (loss)	2,229		4,741
EMEA [Member]
Revenues:
Revenues	5,917		16,427
Operating income (loss):
Operating income (loss)	$ 650		$ 279