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FAIR VALUE MEASUREMENT (Tables)
 6 Months Ended 12 Months Ended
Jun. 30, 2016
Dec. 31, 2015
Schedule of Fair Value, by Balance Sheet Grouping [Table Text Block]
    Total     Level 1     Level 2     Level 3  
Assets:                        
Money market accounts * $ 39,474,626   $ 39,474,626   $   -   $   -  
    Total     Level 1     Level 2     Level 3  
Assets:                        
Money market accounts * $ 27,921,666   $ 27,921,666   $   -   $   -