Note 12 - Segment and Geographic Information (Details) - Operating Segment Data (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Revenues:
Revenues	$ 14,704	$ 10,716	$ 27,325	$ 18,733
Operating income (loss):
Operating income (loss)	2,965	(1,850)	(144)	(2,659)
Unallocated corporate expense	1,189		(2,286)
Americas [Member]
Revenues:
Revenues	8,763		16,815
Operating income (loss):
Operating income (loss)	1,433		2,513
EMEA [Member]
Revenues:
Revenues	5,941		10,510
Operating income (loss):
Operating income (loss)	$ 343		$ (371)