CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)	Mar. 31, 2023	Dec. 31, 2022
Current assets
Cash and cash equivalents (Note 5)	$ 2,001,000	$ 3,972,000
Short-term investments (Note 5)	12,000	20,000
Inventories, net (Note 7)	1,490,000	1,371,000
Value added tax receivable, net (Note 8)	2,343,000	1,465,000
Prepaid expenses and other assets (Note 6)	996,000	1,142,000
Total current assets	6,842,000	7,970,000
Property, plant and equipment, net (Note 9)	6,283,000	6,416,000
Investments (Note 5)	225,000	225,000
Other long-term assets (Note 10)	232,000	333,000
Total assets	13,582,000	14,944,000
Current liabilities
Accounts payable and other accrued liabilities (Note 11)	4,934,000	3,709,000
Deferred revenue (Note 9)	0	0
Other current liabilities (Note 13)	407,000	640,000
Total current liabilities	5,341,000	4,349,000
Asset retirement and reclamation liabilities (Note 12)	4,060,000	3,993,000
Other long-term liabilities (Note 13)	100,000	122,000
Total liabilities	9,501,000	8,464,000
Commitments and contingencies (Note 20)
Equity (Note 16)
Common stock, $.01 par value, 350,000,000 shares authorized; 173,008,829 and 170,258,853 shares issued and outstanding respectively	1,730,000	1,703,000
Additional paid-in capital	543,577,000	542,737,000
Accumulated deficit	(541,226,000)	(537,960,000)
Shareholders' equity	4,081,000	6,480,000
Total liabilities and equity	$ 13,582,000	$ 14,944,000

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.

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- Definition

Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital.