Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 11,797	$ 27,389
Accounts receivable:
Trade	9,586	4,184
Taxes	16,831	14,191
Other, net	5,162	7,443
Inventories:
Concentrates, doré, and stockpiled ore	44,610	53,172
Materials and supplies	34,064	34,361
Prepaid taxes	13,818	12,231
Other current assets	8,239	11,179
Total current assets	144,107	164,150
Non-current investments	6,768	6,583
Non-current restricted cash and investments	1,025	1,025
Properties, plants, equipment and mineral interests, net	2,508,981	2,520,004
Operating lease right-of-use assets	20,647
Non-current deferred income taxes	3,058	1,987
Other non-current assets	10,019	10,195
Total assets	2,694,605	2,703,944
Current liabilities:
Accounts payable and accrued liabilities	61,680	77,861
Accrued payroll and related benefits	36,435	30,034
Accrued taxes	9,109	7,727
Current portion of finance leases	5,858	5,264
Current portion of operating leases	6,701
Current portion of accrued reclamation and closure costs	5,325	3,410
Accrued interest	15,017	5,961
Other current liabilities	6,696	5,937
Total current liabilities	146,821	136,194
Non-current finance leases	9,302	7,871
Non-current operating leases	13,964
Accrued reclamation and closure costs	104,186	104,979
Long-term debt	533,723	532,799
Non-current deferred tax liability	159,425	173,537
Non-current pension liability	49,821	47,711
Other non-current liabilities	6,793	9,890
Total liabilities	1,024,035	1,012,981
Commitments and contingencies (Notes 2, 4, 7, 9, and 11)
STOCKHOLDERS’ EQUITY
Preferred stock, 5,000,000 shares authorized: Series B preferred stock, $0.25 par value, 157,816 shares issued and outstanding, liquidation preference — $7,891	39	39
Common stock, $0.25 par value, 750,000,000 shares authorized; issued and outstanding March 31, 2019 — 482,987,752 shares and December 31, 2018 — 482,603,937 shares	122,052	121,956
Capital surplus	1,882,613	1,880,481
Accumulated deficit	(275,188)	(248,308)
Accumulated other comprehensive loss	(38,210)	(42,469)
Less treasury stock, at cost; March 31, 2019 and December 31, 2018 - 5,226,791 shares issued and held in treasury	(20,736)	(20,736)
Total stockholders’ equity	1,670,570	1,690,963
Total liabilities and stockholders’ equity	$ 2,694,605	$ 2,703,944