CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 81	$ 200
Short-term investments, at fair value	4,523	8,436
Investments in marketable equity securities, at fair value	1,322	1,032
Prepaid expenses and other	66	273
Total current assets	5,992	9,941
Mineral properties	16,701	16,646
Restricted cash - mineral property reclamation bonds	230	0
Other assets	117	170
Total assets	23,040	26,757
Current liabilities:
Accounts payable	258	593
Kinross call option liability	67	0
Operating lease liability	43	39
Total current liabilities	368	632
Long-term liabilities:
Asset retirement obligation and reclamation liabilities	145	125
Operating lease liability	7	50
Total long-term liabilities	152	175
Shareholders' equity:
Preferred stock, $0.01 par value, authorized 10,000,000 shares (none issued and outstanding at December 31, 2024 and 2023)	0	0
Common stock, $0.01 par value, authorized, 100,000,000 shares (81,638,418 and 79,586,358, respectively, shares issued and outstanding at December 31, 2024 and 2023)	816	796
Additional paid-in capital	84,714	82,796
Accumulated deficit	(63,010)	(57,642)
Total shareholders' equity	22,520	25,950
Total liabilities and shareholders' equity	$ 23,040	$ 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.