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STOCK BASED COMPENSATION (Tables)
 12 Months Ended
Dec. 31, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]
 
 
 
Year Ended December 31,
 
 
 
2014
 
 
2013
 
 
 
 
 
 
 
 
 
 
General and administrative
 
$
556,288
 
 
$
1,168,455
 
Research and development
 
 
46,783
 
 
 
174,553
 
Selling
 
 
95,586
 
 
 
100,752
 
Total stock compensation expense
 
$
698,657
 
 
$
1,443,760
 
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
The following table presents information concerning stock option grants for the year ended December 31, 2014:
 
 
 
Employees
 
 
Executives &
Officers
 
 
Directors
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Fair value of common stock on date of grant
 
$
0.96 - 2.20
 
 
$
0.96 - 2.20
 
 
$
1.22 - 2.20
 
Exercise price of the options
 
$
0.96 - 2.20
 
 
$
0.96- 2.20
 
 
$
1.22-2.20
 
Expected life of the options (years)
 
 
6.06- 6.11
 
 
 
6.06 - 6.11
 
 
 
5.09 – 5.31
 
Dividend yield
 
 
0.00
%
 
 
0.00
%
 
 
0.00
%
Expected volatility
 
 
38.83- 41.72
%
 
 
38.83 - 41.70
%
 
 
38.64 - 38.68
%
 
 
 
 
 
 
 
 
 
 
 
 
 
Risk-free interest rate
 
 
1.75 - 2.11
%
 
 
1.75 - 2.11
%
 
 
1.53 – 1.75
%
Expected forfeiture per year (%)
 
 
10.00
%
 
 
10.00
%
 
 
10.00
%
Weighted average fair value of the options per unit
 
$
0.64
 
 
$
0.56
 
 
$
0.70
 
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
Options issued and outstanding as of December 31, 2014 and their activities during the year then ended are as follows:
 
 
 
Number of
Underlying
Shares
 
Weighted-
Average
Exercise
Price Per
Share
 
Weighted-
Average
Contractual
Life
Remaining
in
Years
 
Aggregate
Intrinsic Value
 
Outstanding as of January 1, 2014
 
 
2,282,719
 
$
4.43
 
 
 
 
$
282,063
 
Granted
 
 
2,426,669
 
 
1.45
 
 
 
 
 
 
 
Forfeited
 
 
(873,754)
 
 
4.29
 
 
 
 
 
21,540
 
Exercised
 
 
(160,000)
 
 
1.25
 
 
 
 
 
69,388
 
Outstanding as of December 31, 2014
 
 
3,675,634
 
 
2.86
 
 
8.11
 
$
344,000
 
Exercisable as of December 31, 2014
 
 
1,391,749
 
 
4.34
 
 
6.31
 
$
37,878
 
Vested and expected to vest (1)
 
 
3,380,169
 
$
2.95
 
 
8.01
 
$
301,945
 
   
(1) vested shares and unvested shares after a forfeiture rate is applied