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Note 10 - Stock Options, Incentive Plans, Stock Awards, and Employee Benefit Plan (Tables)
 12 Months Ended
Dec. 31, 2015
Notes Tables  
Schedule of Other Share-based Compensation, Activity [Table Text Block]
Options   Shares   Weighted Average Exercise Price   Weighted Average Contractual Remaining Life   Aggregate Intrinsic Value
                                 
Outstanding, December 31, 2014     96,961     $ 1.23              
Granted     -       -                  
Vested     167       1.23                  
Forfeited     96,794       -                  
                                 
Outstanding, December 31, 2015     -                     $ -  
                                 
Expected to Vest after December 31, 2015     -                     $ -  
Stock Awards   Shares   Weighted Average Exercise Price   Weighted Average Contractual Remaining Life   Aggregate Intrinsic Value
                                 
Outstanding, December 31, 2014     4,583,421     $ 1.80              
   Granted     428,214     $ 4.33                  
   Vested     364,121       -                  
   Forfeited     222,680       -                  
                                 
Outstanding, December 31, 2015     4,424,834     $ 1.98       5.45     $ 44,248  
                                 
Expected to Vest after December 31, 2015     4,424,834     $ 1.98       5.45     $ 44,248