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Note 8 (Tables)
6 Months Ended
Jun. 30, 2015
Notes Tables  
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]
   
Shares
   
Weighted Average Grant Date
Fair Value
 
Unvested at December 31, 2014
    107,639     $ $2.00  
Granted
    0     $ $0.00  
Vested
    (20,321)     $ $2.09  
Forfeited
    0     $ $0.00  
Unvested, June 30, 2015
    87,318     $ $1.98