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EQUITY (Tables)
 9 Months Ended
Sep. 30, 2018
Equity [Abstract]  
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
The following is a summary of the changes in outstanding options during the nine-month period ended September 30, 2018:
 
 
 
Option Shares
 
 
Weighted

Average

Exercise

Price
 
 
Weighted Average

Remaining

Contractual Life

(Years)
 
 
Aggregate

Intrinsic

Value
 
Outstanding, January 1, 2018
 
 
418,233
 
 
$
5.17
 
 
 
3.8
 
 
$
1,343,442
 
Granted
 
 
—
 
 
 
—
 
 
 
 
 
 
 
 
 
Exercised
 
 
(184,480
)
 
$
3.99
 
 
 
 
 
 
 
 
 
Forfeited
 
 
—
 
 
 
—
 
 
 
 
 
 
 
 
 
Expired
 
 
—
 
 
 
—
 
 
 
 
 
 
 
 
 
Outstanding, September 30, 2018
 
 
233,753
 
 
$
6.10
 
 
 
5.6
 
 
$
503,155
 
Vested, September 30, 2018
 
 
174,420
 
 
$
5.76
 
 
 
4.5
 
 
$
434,328
 
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable [Table Text Block]
 
 
Option Shares
 
 
Weighted

Average Grant-

Date Fair Value
 
Non-vested options, January 1, 2018
 
 
89,000
 
 
$
4.41
 
Granted
 
 
—
 
 
 
—
 
Vested
 
 
(29,667
)
 
 
4.41
 
Forfeited
 
 
—
 
 
 
—
 
Non-vested options, September 30, 2018
 
 
59,333
 
 
$
4.41