CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 86	$ 200
Short-term investments	6,398	8,436
Investments in marketable equity securities, at fair value	1,398	1,032
Prepaid expenses and other	102	273
Total current assets	7,984	9,941
Mineral properties	16,701	16,646
Restricted cash - Golden Crest reclamation	100	0
Other assets	134	170
Total assets	24,919	26,757
Current liabilities:
Accounts payable	638	593
Kinross call option	82	0
Operating lease liability	42	39
Total current liabilities	762	632
Long-term liabilities
Operating lease liability - long-term	18	50
Asset retirement obligation and reclamation liabilities	145	125
Total long-term liabilities	163	175
Shareholders' equity:
Preferred stock, $0.01 par value, authorized 10,000,000 shares (none issued and outstanding at September 30, 2024 and December 31, 2023)	0	0
Common stock, $0.01 par value, authorized 100,000,000 shares (81,638,418 and 79,586,358 shares, respectively, issued and outstanding at September 30, 2024 and December 31, 2023)	816	796
Additional paid-in capital	84,588	82,796
Accumulated deficit	(61,410)	(57,642)
Total shareholders' equity	23,994	25,950
Total liabilities and shareholders' equity	$ 24,919	$ 26,757

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

Name:	us-gaap_AccountsPayableCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of excess of issue price over par or stated value of stock and from other transaction involving stock or stockholder. Includes, but is not limited to, additional paid-in capital (APIC) for common and preferred stock.