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Marketable Equity Securities (Tables)

6 Months Ended

Jun. 30, 2019

Investments, Debt and Equity Securities [Abstract]

Marketable Securitiesand Adjustment to Fair Value

(in thousands)	June 30, 2019	December 31, 2018
Marketable equity securities at cost	$1,714	$1,714
Cumulative unrealized loss on marketable equity securities	(518)	(129)
Marketable equity securities at fair value	$1,196	$1,585

Changes in Marketable Securities

(in thousands)	Three months ended June 30,		Six months ended June 30,
	2019	2018	2019	2018
Gross (loss) recorded in the statement of operations	$(63)	$(222)	$(389)	$(663)
Change in marketable equity securities at fair value	$(63)	$(222)	$(389)	$(663)

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Tabular disclosure of realized and unrealized gain (loss) on investment in security.

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The entire disclosure for investments in certain debt and equity securities.

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