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MARKETABLE SECURITIES - Schedule of Marketable Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Debt Securities, Available-for-sale [Line Items]
Cost Basis	$ 1,817	$ 4,995
Gross Unrealized Losses	(580)	(543)
Gross Unrealized Gains	445	386
Fair Value	1,682	4,838
Marketable debt securities
Debt Securities, Available-for-sale [Line Items]
Cost Basis	993	4,171
Gross Unrealized Losses	0	0
Gross Unrealized Gains	14	37
Fair Value	1,007	4,208
Marketable equity securities
Debt Securities, Available-for-sale [Line Items]
Cost Basis	824	824
Gross Unrealized Losses	(580)	(543)
Gross Unrealized Gains	431	349
Fair Value	$ 675	$ 630

X

- Definition

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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