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Note 14 - Segments and Geographic Information (Details) - Long-lived Assets by Geographic Area (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Note 14 - Segments and Geographic Information (Details) - Long-lived Assets by Geographic Area [Line Items]    
Long-lived assets $ 187us-gaap_PropertyPlantAndEquipmentNet $ 128us-gaap_PropertyPlantAndEquipmentNet
UNITED STATES    
Note 14 - Segments and Geographic Information (Details) - Long-lived Assets by Geographic Area [Line Items]    
Long-lived assets 60us-gaap_PropertyPlantAndEquipmentNet
/ us-gaap_StatementGeographicalAxis
= country_US		 98us-gaap_PropertyPlantAndEquipmentNet
/ us-gaap_StatementGeographicalAxis
= country_US
CANADA    
Note 14 - Segments and Geographic Information (Details) - Long-lived Assets by Geographic Area [Line Items]    
Long-lived assets 21us-gaap_PropertyPlantAndEquipmentNet
/ us-gaap_StatementGeographicalAxis
= country_CA		 30us-gaap_PropertyPlantAndEquipmentNet
/ us-gaap_StatementGeographicalAxis
= country_CA
Europe [Member]    
Note 14 - Segments and Geographic Information (Details) - Long-lived Assets by Geographic Area [Line Items]    
Long-lived assets $ 106us-gaap_PropertyPlantAndEquipmentNet
/ us-gaap_StatementGeographicalAxis
= us-gaap_EuropeMember