Note 3 - Summary of Significant Accounting Policies (Details) - Property and Equipment, Estimated Useful Lives
12 Months Ended
Dec. 31, 2014
Equipment [Member] | Minimum [Member]  
Note 3 - Summary of Significant Accounting Policies (Details) - Property and Equipment, Estimated Useful Lives [Line Items]  
Property and equipment, estimated useful life 3 years
Equipment [Member] | Maximum [Member]  
Note 3 - Summary of Significant Accounting Policies (Details) - Property and Equipment, Estimated Useful Lives [Line Items]  
Property and equipment, estimated useful life 5 years
Computer Equipment [Member]  
Note 3 - Summary of Significant Accounting Policies (Details) - Property and Equipment, Estimated Useful Lives [Line Items]  
Property and equipment, estimated useful life 3 years
Software and Software Development Costs [Member] | Minimum [Member]  
Note 3 - Summary of Significant Accounting Policies (Details) - Property and Equipment, Estimated Useful Lives [Line Items]  
Property and equipment, estimated useful life 3 years
Software and Software Development Costs [Member] | Maximum [Member]  
Note 3 - Summary of Significant Accounting Policies (Details) - Property and Equipment, Estimated Useful Lives [Line Items]  
Property and equipment, estimated useful life 5 years
Leasehold Improvements [Member]  
Note 3 - Summary of Significant Accounting Policies (Details) - Property and Equipment, Estimated Useful Lives [Line Items]  
Leasehold improvements Lesser of useful life or lease term
Furniture and Fixtures [Member]  
Note 3 - Summary of Significant Accounting Policies (Details) - Property and Equipment, Estimated Useful Lives [Line Items]  
Property and equipment, estimated useful life 5 years