Consolidated Balance Sheets - USD ($) $ in Thousands		Dec. 31, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents		$ 27,389	$ 186,107
Investments		0	33,758
Accounts receivable:
Trade		4,184	14,805
Taxes		14,191	10,382
Other, net		7,443	7,003
Inventories:
Concentrates, doré, stockpiled ore, and metals in transit and in-process		53,172	29,366
Materials and supplies		34,361	26,100
Prepaid taxes		12,231	2,790
Other current assets		11,179	10,925
Total current assets		164,150	321,236
Non-current investments		6,583	7,561
Non-current restricted cash and investments		1,025	1,032
Properties, plants, and equipment - net	[1]	2,520,004	1,999,311
Deferred income taxes		1,987	1,509
Other non-current assets		10,195	14,509
Total assets	[2]	2,703,944	2,345,158
Current liabilities:
Accounts payable and accrued liabilities		77,861	46,549
Accrued payroll and related benefits		30,034	31,259
Accrued taxes		7,727	5,919
Current portion of capital leases		5,264	5,608
Current portion of accrued reclamation and closure costs		3,410	6,679
Accrued interest		5,961	5,745
Other current liabilities		5,937	10,371
Total current liabilities		136,194	112,130
Long-term capital leases		7,871	6,193
Non-current portion of accrued reclamation		104,979	79,366
Long-term debt		532,799	502,229
Deferred tax liability		173,537	124,352
Non-current pension liability		47,711	46,628
Other non-current liabilities		9,890	12,983
Total liabilities		1,012,981	883,881
Commitments and contingencies (Notes 3, 4, 5, 7, 8, 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, authorized 750,000,000 shares; issued and outstanding 2018 — 482,603,937 shares and 2017 — 399,176,425 shares		121,956	100,926
Capital surplus		1,880,481	1,619,816
Accumulated deficit		(248,308)	(218,089)
Accumulated other comprehensive loss, net		(42,469)	(23,373)
Less treasury stock, at cost; 2018 — 5,226,791 and 2017 — 4,529,450 shares issued and held in treasury		(20,736)	(18,042)
Total stockholders’ equity		1,690,963	1,461,277
Total liabilities and stockholders’ equity		$ 2,703,944	$ 2,345,158

[1] Amounts reported as of and for the years ended December 31, 2017 and 2016 have been revised. See Note 2 for more information.

[2] Amounts reported as of and for the years ended December 31, 2017 and 2016 have been revised. See Note 2 for more information.