Note 15 - Segments and Geographic Information (Details) - Summary of Geographic Long-Lived Assets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Note 15 - Segments and Geographic Information (Details) - Summary of Geographic Long-Lived Assets [Line Items]
Long-lived assets, net	$ 591	$ 2,408
UNITED STATES
Note 15 - Segments and Geographic Information (Details) - Summary of Geographic Long-Lived Assets [Line Items]
Long-lived assets, net	582	2,350
International [Member]
Note 15 - Segments and Geographic Information (Details) - Summary of Geographic Long-Lived Assets [Line Items]
Long-lived assets, net	$ 9	$ 58