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Note 2 - Stock-based Compensation (Tables)
9 Months Ended
Sep. 30, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding and Exercisable [Table Text Block]
   

# of Shares

   

Wgt Avg

 Exercise Price

   

Wgt Avg

Remaining Contractual Life

in Years

   

Aggregate
Intrinsic

Value

 

Outstanding at September 30, 2013

    270,500     $ 1.75       6.9     $ 16,740  

Vested at September 30, 2013

    170,000     $ 1.87       6.1     $ 13,680