Note 11 - Segment and Geographic Information (Details) - Revenues by Geography (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Note 11 - Segment and Geographic Information (Details) - Revenues by Geography [Line Items]
Revenues	$ 13,959	$ 7,248	$ 32,692	$ 22,809
North America [Member]
Note 11 - Segment and Geographic Information (Details) - Revenues by Geography [Line Items]
Revenues	6,725	5,181	18,477	16,001
EMEA [Member]
Note 11 - Segment and Geographic Information (Details) - Revenues by Geography [Line Items]
Revenues	5,745	671	10,617	2,480
Latin America [Member]
Note 11 - Segment and Geographic Information (Details) - Revenues by Geography [Line Items]
Revenues	1,355	794	2,320	2,276
Asia [Member]
Note 11 - Segment and Geographic Information (Details) - Revenues by Geography [Line Items]
Revenues	$ 134	$ 602	$ 1,278	$ 2,052