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STOCKHOLDERS' EQUITY (Tables)
 12 Months Ended
Dec. 31, 2013
Stockholders Equity Note [Abstract]  
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
Stock option activity under the 1998, 1999, 2001, 2003 and 2006 Stock Option Plans during the periods indicated below is as follows:
 
 
 
 
 
 
 
Weighted-
 
 
 
 
 
 
Number of
 
Weighted-
 
average
 
 
 
 
 
Shares
 
average
 
Remaining
 
Aggregate
 
 
 
Subject to
 
Exercise
 
Contractual
 
Intrinsic
 
 
 
Issuance
 
Price
 
Term
 
Value
 
 
 
 
 
 
 
 
 
 
 
 
 
Outstanding at December 31, 2011
 
1,244,260
 
$
1.93
 
2.29 years
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Granted
 
-
 
 
-
 
 
 
 
 
 
Forfeited or expired
 
(235,862)
 
 
3.10
 
 
 
 
 
 
Exercised
 
(261,763)
 
 
0.50
 
 
 
$
348,352
 
Outstanding at December 31, 2012
 
746,635
 
$
2.06
 
1.66 years
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Granted
 
135,000
 
 
0.39
 
 
 
 
 
 
Forfeited or expired
 
(400,949)
 
 
1.89
 
 
 
 
 
 
Exercised
 
(153,200)
 
 
0.46
 
 
 
 
 
 
Outstanding at December 31, 2013
 
327,486
 
$
2.31
 
2.42 years
 
$
12,100
 
 
 
 
 
 
 
 
 
 
 
 
 
Exercisable at December 31, 2013
 
212,236
 
$
3.33
 
1.52 years
 
$
-
 
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]
The following is a summary of stock options as of December 31, 2013: 
 
 
 
Options Outstanding
 
Options Exercisable
 
 
 
 
 
 
 
Weighted
 
 
 
 
Weighted-
 
 
 
 
 
Weighted-
 
average
 
 
 
 
average
 
 
 
Number of
 
average
 
Exercise
 
Number of
 
 
Exercise
 
Range of  Exercise Prices
 
Options
 
Remaining Life
 
Price
 
Options
 
 
Price
 
$0.39 to $1.00
 
110,000
 
1.42
 
years
 
$
0.13
 
-
 
 
$
-
 
$1.01 to $3.00
 
110,636
 
0.27
 
years
 
$
0.50
 
105,386
 
 
$
0.73
 
$3.01 to $5.00
 
25,000
 
0.32
 
years
 
$
0.28
 
25,000
 
 
$
0.43
 
$5.01 to $5.64
 
81,850
 
0.40
 
years
 
$
1.41
 
81,850
 
 
$
2.17
 
 
 
327,486
 
2.42
 
years
 
$
2.31
 
212,236
 
 
$
3.33
 
Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block]
Share based compensation expense for the years ended December 31, 2013 and 2012 is as follows:
 
 
 
Years Ended December 31,
 
 
 
2013
 
2012
 
Compensation cost recognized:
 
 
 
 
 
 
 
Stock options
 
$
19,053
 
$
52,677
 
Restricted stock
 
 
0
 
 
0
 
 
 
$
19,053
 
$
52,677
 
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]
Share based compensation is included in operating expenses as follows:
 
 
 
Years Ended December 31,
 
 
 
2013
 
2012
 
Selling
 
$
499
 
$
9,216
 
General and administrative
 
 
6,467
 
 
16,788
 
Research and development
 
 
12,087
 
 
26,673
 
 
 
$
19,053
 
$
52,677