XML 27 R13.htm IDEA: XBRL DOCUMENT v3.4.0.3
Note 2 - Stock-Based Compensation (Tables)
3 Months Ended
Mar. 31, 2016
Notes Tables  
Schedule of Share-based Compensation, Activity [Table Text Block]
    Awards
Available
  Options
Outstanding
  Weighted
Average
Exercise
Price
Balance December 31, 2015     16       10,671     $ 7.50  
Restricted stock unit awards granted     (13 )            
Restricted stock unit awards cancelled     15              
Stock option awards granted                  
Stock option awards exercised           (79 )     2.32  
Stock option awards cancelled     109       (109 )     9.58  
                         
Balance March 31, 2016     127       10,483     $ 7.51