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STOCKHOLDERS' EQUITY (Tables)
9 Months Ended
Sep. 30, 2018
Equity [Abstract]  
Summary of stock warrant activity
A summary of stock warrant activity for the nine months ended September 30, 2018 are presented below:
 
 
 
Number of

Warrants

(in thousands)
 
 
Weighted

Average

Exercise

Price
 
 
Weighted

Average

Remaining

Contractual

Life (Years)
 
 
Aggregate

Intrinsic

Value

(in thousands
)
 
Outstanding at December 31, 2017
 
 
200
 
 
$
1.86
 
 
 
5.87
 
 
$
264
 
Granted
 
 
-
 
 
$
-
 
 
 
 
 
 
 
 
 
Exercised
 
 
(50
)
 
$
0.20
 
 
 
 
 
 
 
 
 
Forfeited
 
 
-
 
 
$
-
 
 
 
 
 
 
 
 
 
Outstanding at September 30, 2018
 
 
150
 
 
$
2.42
 
 
 
6.02
 
 
$
85