Note 11 - Segment and Geographic Information (Details) - Revenues by Geography (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Note 11 - Segment and Geographic Information (Details) - Revenues by Geography [Line Items]
Revenues	$ 10,716	$ 7,684	$ 18,733	$ 15,561
North America [Member]
Note 11 - Segment and Geographic Information (Details) - Revenues by Geography [Line Items]
Revenues	6,499	5,148	11,752	10,820
EMEA [Member]
Note 11 - Segment and Geographic Information (Details) - Revenues by Geography [Line Items]
Revenues	3,660	808	4,872	1,809
Latin America [Member]
Note 11 - Segment and Geographic Information (Details) - Revenues by Geography [Line Items]
Revenues	374	710	965	1,482
Asia [Member]
Note 11 - Segment and Geographic Information (Details) - Revenues by Geography [Line Items]
Revenues	$ 183	$ 1,018	$ 1,144	$ 1,450