v3.3.1.900
Note 16 - Income Taxes (Details) - Aggregate Changes in Balance of Gross Unrecognized Tax Benefits
12 Months Ended
Dec. 31, 2013
USD ($)
Aggregate Changes in Balance of Gross Unrecognized Tax Benefits [Abstract]  
Balance, beginning of year $ 140,000
Balance, end of year 147,000
Additions for tax positions related to prior years $ 7,000