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MARKETABLE SECURITIES - Schedule of Marketable Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Schedule of Available-for-sale Securities [Line Items]
Cost Basis	$ 26,587	$ 1,062
Gross Unrealized losses	(558)	0
Gross Unrealized gains	1,139	378
Fair Value	27,168	1,034
Marketable debt securities
Schedule of Available-for-sale Securities [Line Items]
Cost Basis	25,525
Gross Unrealized losses	(38)
Gross Unrealized gains	14
Fair Value	25,501
Marketable equity securities
Schedule of Available-for-sale Securities [Line Items]
Cost Basis	1,062	1,062
Gross Unrealized losses	(520)	0
Gross Unrealized gains	1,125	378
Fair Value	$ 1,667	$ 1,034

X

- Definition

Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt securities classified as available-for-sale.

+ References

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