Note 8 - Property and Equipment (Details) - Components of Property and Equipment (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Property, Plant and Equipment [Line Items]    
Property and Equipment $ 278 $ 278
Less: accumulated depreciation (242) (200)
36 78
Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property and Equipment 5 7
Computer Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property and Equipment 46 44
Leasehold Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property and Equipment 155 155
Furniture and Fixtures [Member]    
Property, Plant and Equipment [Line Items]    
Property and Equipment $ 72 $ 72