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MARKETABLE SECURITIES AND ACCRUED INTEREST (Tables)
 6 Months Ended
Jun. 30, 2014
Marketable Securities and Accrued Interest [Abstract]  
Held-to-maturity Securities [Table Text Block]
The following is a summary of held to maturity marketable securities:
 
 
 
December 31, 2013
 
 
 
Amortized
 
Unrealized
 
Fair
 
 
 
cost
 
gains
 
Value
 
 
 
Audited
 
Corporate debentures:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Maturing within one year
 
$
15,438
 
$
35
 
$
15,473
 
Accrued interest
 
 
268
 
 
-
 
 
268
 
 
 
 
 
 
 
 
 
 
 
 
 
 
$
15,706
 
$
35
 
$
15,741
 
 
 
 
June 30, 2014
 
 
 
Amortized
 
Unrealized
 
Unrealized
 
Fair
 
 
 
cost
 
gains
 
losses
 
Value
 
 
 
Unaudited
 
Corporate debentures:
 
 
 
 
 
 
 
 
 
 
 
 
 
Maturing between one to five years
 
$
59,582
 
$
27
 
$
(220)
 
$
59,389
 
Accrued interest
 
 
535
 
 
-
 
 
-
 
 
535
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
$
60,117
 
$
27
 
$
(220)
 
$
59,924