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Marketable Equity Securities (Tables)

12 Months Ended

Dec. 31, 2018

Marketable Securities [Abstract]

Marketable Equity Securities and Adjustments to Fair Value

(in thousands)	Year ended December 31,
	2018	2017
Marketable equity securities at cost	$1,714	$1,714
Cumulative unrealized (loss) gain on marketable equity securities	(129)	929
Marketable equity securities at fair value	$1,585	$2,643

Changes in Marketable Equity Securities

(in thousands)	Year ended December 31,
	2018	2017
Cost of marketable equity securities sold	$  -	$   88
Realized gain on marketable equity securities sold	-	578
Proceeds from the sale of marketable equity securities sold	-	(666)
Purchase of marketable equity securities	-	1,528
Gross (loss) gain on marketable equity securities	(1,058)	442
Change in marketable equity securities at fair value	$(1,058)	$ 1,304

Realized and Unrealized Gain (Loss) on Marketable Equity Securities

(in thousands)	Year ended December 31,
	2018	2017
Gross (loss) gain on marketable securities	$(1,058)	$442
Realized gain on marketable equity securities sold	-	(578)
Unrealized (loss) on marketable equity securities	$(1,058)	$(136)

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

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