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MARKETABLE SECURITIES - Schedule of Marketable Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Schedule of Available-for-sale Securities [Line Items]
Cost Basis	$ 26,585	$ 1,062
Gross Unrealized losses	(554)	0
Gross Unrealized gains	1,030	378
Fair Value	27,061	1,034
Marketable debt securities
Schedule of Available-for-sale Securities [Line Items]
Cost Basis	25,523
Gross Unrealized losses	(5)
Gross Unrealized gains	83
Fair Value	25,601
Marketable equity securities
Schedule of Available-for-sale Securities [Line Items]
Cost Basis	1,062	1,062
Gross Unrealized losses	(549)	0
Gross Unrealized gains	947	378
Fair Value	$ 1,460	$ 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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