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MARKETABLE SECURITIES (Tables)
 12 Months Ended
Dec. 31, 2016
Marketable Securities [Abstract]  
Schedule of Available-for-sale Securities Reconciliation [Table Text Block]
The Group invests in marketable debt and equity securities, which are classified as available-for-sale. The following is a summary of marketable securities:
 
 
 
December 31,
 
 
 
2015
 
2016
 
 
 
Amortized
 
Unrealized
 
Unrealized
 
Market
 
Amortized
 
Unrealized
 
Unrealized
 
Market
 
 
 
cost
 
losses
 
gains
 
value
 
cost
 
losses
 
gains
 
value
 
Available-for-sale:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Corporate bonds
 
$
11,666
 
$
(82)
 
$
-
 
$
11,584
 
$
12,348
 
$
(72)
 
$
-
 
$
12,276
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Equity funds
 
 
118
 
 
-
 
 
117
 
 
235
 
 
118
 
 
-
 
 
112
 
 
230
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Total available-for-sale marketable securities
 
$
11,784
 
$
(82)
 
$
117
 
$
11,819
 
$
12,466
 
$
(72)
 
$
112
 
$
12,506
 
Investments Classified by Contractual Maturity Date [Table Text Block]
Marketable securities with contractual maturities from one to three years and from three to five years are as follows:
 
 
 
Amortized
 
Unrealized gains 
(losses)
 
Market
 
 
 
cost
 
Gains
 
Losses
 
value
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Due between one to three years
 
$
10,624
 
$
-
 
$
(40)
 
$
10,584
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Due between three to five years
 
$
1,724
 
$
-
 
$
(32)
 
$
1,692
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Total
 
$
12,348
 
$
-
 
$
(72)
 
$
12,276
 
Schedule Of Changes In Other Comprehensive Income Of Available For Sale Securities [Table Text Block]
The following is the change in the other comprehensive income of available-for-sale securities during 2015:
 
 
 
Other
 
 
 
comprehensive 
income (loss)
 
 
 
 
 
Other comprehensive loss from available-for-sale securities as of January 1, 2015
 
$
(121)
 
Unrealized gains from available-for-sale securities
 
 
156
 
Other comprehensive income from available-for-sale securities as of December 31, 2015
 
$
35
 
Schedule Of Available For Sale Debt Securities By Contractual Maturities [Table Text Block]
The following is the change in the other comprehensive income of available-for-sale securities during 2016:
 
 
 
Other
 
 
 
comprehensive
 
 
 
income (loss)
 
 
 
 
 
Other comprehensive income from available-for-sale securities as of January 1, 2016
 
$
35
 
Losses reclassified into earnings from marketable securities
 
 
16
 
Unrealized losses from available-for-sale securities
 
 
(11)
 
Other comprehensive income from available-for-sale securities as of December 31, 2016
 
$
40