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Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2018

Fair Value Disclosures [Abstract]

Schedule of Recurring Measurements of Fair Value of Assets and Liabilities

Recurring measurements of the fair value of assets and liabilities as of September 30, 2018 and December 31, 2017 are as follows:

		September 30, 2018																December 31, 2017
		Level 1				Level 2				Level 3				Total				Level 1				Level 2				Level 3				Total
Marketable equity securities:
Sutter Gold Mining Company		$	5			$	-			$	-			$	5			$	8			$	-			$	-			$	8
Anfield Resources, Inc.			951				-				-				951				868				-				-				868
Total		$	956			$	-			$	-			$	956			$	876			$	-			$	-			$	876
Commodity price risk derivatives		$	-			$	37				-			$	37				-			$	161				-			$	161
Outstanding warrant liability			-				-				722				722			$	-				-				1,200				1,200
Total		$	-			$	37			$	722			$	759							$	161			$	1,200			$	1,361

Schedule of Reconciliation of Changes in Liabilities Measured at Fair Value on a Recurring Basis

The following table presents a reconciliation of changes in liabilities measured at Level 3 fair value on a recurring basis for the period ended September 30, 2018 and the year ended December 31, 2017.

Liabilities
Warrants
(Level 3)		2018				2017
Fair value, beginning of period		$	1,200			$	1,030
Total net losses included in:
Other comprehensive loss			-				-
Fair value adjustments included in net loss:
Net fair value adjustment			(478	)			170
Fair value, end of period		$	722			$	1,200

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- References

No definition available.

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- Definition

Tabular disclosure of the fair value measurement of liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and gains or losses recognized in other comprehensive income (loss) and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs) by class of liability.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19279-110258

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- Definition

Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19190-110258

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