STOCK OPTIONS (Tables)
 9 Months Ended 12 Months Ended
Sep. 30, 2014
Dec. 31, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]    
Schedule Of Stock Based Compensation Expenses For Stock Options And Warrants Issued [Table Text Block]  
Total stock-based compensation expense recognized for stock options issued using the straight-line method in the statement of losses for the year ended December 31, 2013 and 2012 is as follows (in thousands):
 
 
 
2013
 
2012
 
Stock-based compensation expense for employees and non-employee directors
 
$
1,140
 
$
322
 
Equity awards for nonemployees issued for services
 
 
114
 
 
191
 
Total stock-based compensation expense
 
$
1,254
 
$
513
 
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
The following table summarizes stock option activity under the Plans:
 
 
 
Number of
shares
 
Weighted-average
exercise
price
 
Weighted-average
remaining
contractual term
(in years)
 
Aggregate
intrinsic
value (in
thousands)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Outstanding at December 31, 2013
 
 
6,050,623
 
$
1.82
 
 
 
 
 
 
 
Granted
 
 
2,499,472
 
$
1.31
 
 
 
 
 
 
 
Exercised
 
 
—
 
 
—
 
 
 
 
 
 
 
Forfeited
 
 
(125,000)
 
$
1.50
 
 
 
 
 
 
 
Outstanding at September 30, 2014
 
 
8,425,095
 
$
1.68
 
 
4.1
 
$
103
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Exercisable at September 30, 2014
 
 
8,178,045
 
$
1.70
 
 
4.0
 
$
97
 
The following table summarizes stock option activity under the Plans:
 
 
 
 
 
 
 
 
 
Weighted-
 
 
 
 
 
 
 
 
 
Weighted-
 
average
 
Aggregate
 
 
 
 
 
 
average
 
remaining
 
intrinsic
 
 
 
Number of
 
exercise
 
contractual term
 
value (in
 
 
 
shares
 
price
 
(in years)
 
thousands)
 
Outstanding at December 31, 2011
 
 
3,646,870
 
$
1.60
 
 
 
 
 
 
 
Granted
 
 
1,097,758
 
$
2.33
 
 
 
 
 
 
 
Exercised
 
 
(70,000)
 
$
0.50
 
 
 
 
 
 
 
Forfeited
 
 
—
 
 
—
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Outstanding at December 31, 2012
 
 
4,674,628
 
$
1.79
 
 
 
 
 
 
 
Granted
 
 
1,515,995
 
$
2.02
 
 
 
 
 
 
 
Exercised
 
 
–
 
$
–
 
 
 
 
 
 
 
Forfeited
 
 
(140,000)
 
$
2.80
 
 
 
 
 
 
 
Outstanding at December 31, 2013
 
 
6,050,623
 
$
1.82
 
 
4.0
 
$
272
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Exercisable at December 31, 2013
 
 
5,952,726
 
$
1.83
 
 
4.0
 
$
269
 
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
The following table summarizes weighted-average assumptions using the Black-Scholes option-pricing model used on the date of the grants issued during the nine months ended September 30, 2014 and 2013:
 
 
Nine months ended September 30,
 
 
 
2014
 
 
2013
 
Volatility
 
 
55.6
%
 
 
58.7
%
Expected term (years)
 
 
3.3
 
 
 
3.9
 
Risk-free interest rate
 
 
0.6
%
 
 
0.7
%
Dividend yield
 
 
0
%
 
 
0
%
The following table summarizes weighted-average assumptions using the Black-Scholes option-pricing model used on the date of the grants issued for the years ended December 31, 2013 and 2012:
 
 
 
Year Ended December 31,
 
 
 
2013
 
 
2012
 
Volatility
 
 
58.8
%
 
 
71.9
%
Expected term (years)
 
 
3.7
 
 
 
2.8
 
Risk-free interest rate
 
 
0.6
%
 
 
0.3
%
Dividend yield
 
 
None
 
 
 
None