CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Operating expense:
Exploration expense	$ 487	$ 555	$ 841	$ 830
Depreciation	6	6	13	12
General and administrative	656	315	1,128	791
Total operating expense	1,149	876	1,982	1,633
Other income (loss)
Interest and dividend income	106	26	201	53
(Loss) gain on derivative instruments	(21)	23	(21)	23
Gain on sale of marketable equity securities	54	0	54	0
Unrealized gain on short-term investments	0	14	0	35
Unrealized gain (loss) on marketable equity securities	248	(227)	256	102
Total other income (loss)	387	(164)	490	213
Net loss	$ (762)	$ (1,040)	$ (1,492)	$ (1,420)
Loss per common share:
Basic and diluted	$ (0.01)	$ (0.02)	$ (0.02)	$ (0.02)
Weighted average shares outstanding:
Basic and diluted	81,113	64,807	80,368	64,804

The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482099/360-10-50-1