Note 8 - Customer and Geographic Information (Details) - Long-lived Assets by Geographic Area (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Note 8 - Customer and Geographic Information (Details) - Long-lived Assets by Geographic Area [Line Items]
Long-lived assets, net, by geographical area	$ 8,679	$ 7,064
North America [Member]
Note 8 - Customer and Geographic Information (Details) - Long-lived Assets by Geographic Area [Line Items]
Long-lived assets, net, by geographical area	8,120	6,578
Asia [Member]
Note 8 - Customer and Geographic Information (Details) - Long-lived Assets by Geographic Area [Line Items]
Long-lived assets, net, by geographical area	432	364
Europe [Member]
Note 8 - Customer and Geographic Information (Details) - Long-lived Assets by Geographic Area [Line Items]
Long-lived assets, net, by geographical area	$ 127	$ 122