v3.3.1.900
NOTE 8 - STOCKHOLDERS’ EQUITY (Tables)
 12 Months Ended
Dec. 31, 2015
Stockholders' Equity Note [Abstract]  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] The following assumptions were used in determining the fair value of employee and vesting non-employee options:

   
December 31,
2015
   
December 31, 
2014
 
Risk-free interest rate
    1.37% - 2.27 %     1.97% - 2.73 %
Dividend yield
    0 %     0 %
Stock price volatility
    123.05% - 140.67 %     76% - 79 %
Expected life
 
5-10 years
   
6-10 years
 
Weighted average grant date fair value
  $ 5.90     $ 5.50  
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] The following table summarizes the stock option activity for the years ended December 31, 2015 and 2014:

   
Shares
   
Weighted-Average
Exercise Price
   
Weighted Average
Remaining
Contractual Term
   
  Aggregate
Intrinsic
Value
 
Outstanding at January 1, 2014
   
277,561
   
$
9.57
   
8.7
 
 
$
259,558
 
Granted
   
246,255
   
$
6.50
   
10.0
 
 
$
-
 
Exercised
   
(8,400
)
                     
Forfeitures or expirations
   
(74,352
)
 
$
8.11
               
Outstanding at December 31, 2014
   
441,064
   
$
8.44
   
4.2
 
 
$
858,766
 
Granted
   
194,364
   
$
5.87
   
10.0
 
 
$
-
 
Forfeitures or expirations
   
(5,800
)
 
$
14.53
               
Outstanding at December 31, 2015
   
629,628
   
$
7.59
   
4.5
    $
-
 
                               
Exercisable at December 31, 2015
   
429,544
   
$
7.89
   
3.7
    $
-
 
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block] The following table presents information related to stock options at December 31, 2015:

Options Outstanding
 
Options Exercisable
 
Exercise
Price
 
Number of
Options
 
Weighted Average
Remaining Life
In Years
 
Exercisable
Number of
Options
 
$
0.00-5.00
   
222,945
 
4.8
   
193,568
 
 
5.01-12.50
   
382,675
 
4.4
   
211,968
 
 
12.51-25.00
   
15,008
 
4.2
   
15,008
 
 
25.01-45.00
   
9,000
 
3.8
   
9,000
 
       
629,628
 
4.5
   
429,544
 
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block] The following table summarizes the restricted stock activity for the two years ended December 31, 2015:

Restricted shares issued as of January 1, 2014
    269,134  
Granted
    -  
Total Restricted Shares Issued at December 31, 2014
    269,134  
Granted
    -  
Total Restricted Shares Issued at December 31, 2015
    269,134  
Vested at December 31, 2015
    (269,134 )
Unvested restricted shares as of December 31, 2015
    -  
Schedule of Outstanding Warrants [Table Text Block] The following table summarizes information with respect to outstanding warrants to purchase common stock of the Company, all of which were exercisable, at December 31, 2015:

Exercise
Price
   
Number
Outstanding
   
Expiration Date
$ 4.75       482,500  
September/October 2020
$ 5.00       220,913  
August 2016
        $ 703,413    
Schedule of Warrants Activity [Table Text Block] The following table summarizes the warrant activity for the years ended December 31, 2015 and 2014:

   
Shares
   
Weighted-Average
Exercise Price
   
Weighted-Average
Remaining
Contractual Term
   
Aggregate
Intrinsic
Value
 
Outstanding at January 1, 2014
   
649,915
   
$
3.85
     
3.4
    $
-
 
Grants
   
-
     
-
                 
Exercised
   
(409,823
)
 
$
10.00
                 
Forfeitures or expirations
   
(19,179
) 
 
$
31.00
                 
Outstanding at January 1, 2015
   
220,913
   
$
5.00
     
1.7
    $
-
 
Grants
     482,500     $  4.75       5.0     $  -  
Exercised
   
-
                         
Forfeitures or expirations
   
-
                         
Outstanding at December 31, 2015
   
703,413
   
$
4.83
     
3.5
    $
-
 
                                 
Exercisable at December 31, 2015
   
703,413
   
$
4.83
     
3.5
    $
-