CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 189	$ 81
Short-term investments	3,973	4,523
Investments in marketable equity securities, at fair value	1,706	1,322
Prepaid expenses and other	66	66
Total current assets	5,934	5,992
Mineral properties	16,701	16,701
Restricted cash - mineral property reclamation bonds	230	230
Other assets	101	117
Total assets	22,966	23,040
Current liabilities:
Accounts payable	217	258
Kinross call option liability	273	67
Operating lease liability	40	43
Total current liabilities	530	368
Long-term liabilities:
Asset retirement obligation and reclamation liabilities	145	145
Operating lease liability - long-term	0	7
Total long-term liabilities	145	152
Shareholders' equity:
Preferred stock, $0.01 par value, authorized 10,000,000 shares (none issued and outstanding at March 31, 2025 and December 31, 2024)	0	0
Common stock, $0.01 par value, authorized 100,000,000 shares (82,416,918 and 81,638,418 shares, respectively, issued and outstanding at March 31, 2025 and December 31, 2024)	824	816
Additional paid-in capital	84,988	84,714
Accumulated deficit	(63,521)	(63,010)
Total shareholders' equity	22,291	22,520
Total liabilities and shareholders' equity	$ 22,966	$ 23,040

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.