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Marketable Equity Securities

3 Months Ended

Mar. 31, 2019

Investments, Debt and Equity Securities [Abstract]

3. Marketable Equity Securities

Solitario's investments in marketable equity securities are carried at fair value, which is based upon quoted prices of the securities owned. The cost of marketable equity securities sold is determined by the specific identification method. Changes in market value are recorded in the condensed consolidated statement of operations. During the three months ended March 31, 2019, Solitario recorded an unrealized loss on marketable equity securities of $326,000. During the three months ended March 31, 2018, Solitario recorded an unrealized loss on marketable equity securities of $441,000.

The following tables summarize Solitario’s marketable equity securities and adjustments to fair value:

(in thousands)	March 31, 2019	December 31, 2018
Marketable equity securities at cost	$1,714	$1,714
Cumulative unrealized loss on marketable equity securities	(455)	(129)
Marketable equity securities at fair value	$1,259	$1,585

The following table represents changes, including sales, in marketable equity securities during the three months ended March 31, 2019 and 2018:

(in thousands)	Three months ended March 31,
	2019	2018
Gross (loss) recorded in the statement of operations	$(326)	$(441)
Change in marketable equity securities at fair value	$(326)	$(441)

Solitario did not sell any marketable equity securities during the three months ended March 31, 2019 or 2018 and the change in the fair value of marketable equity securities was related entirely to the unrealized loss on marketable equity securities related to their fair values based upon quoted market prices for the marketable equity securities held by Solitario during the periods.