Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 191,574	$ 209,665
Accounts receivable:
Trade	7,781	17,696
Taxes	10,299	10,392
Other, net	14,220	6,792
Inventories:
Concentrates, doré, and stockpiled ore	29,353	25,999
Materials and supplies	23,051	21,474
Current deferred income taxes	8,766	12,029
Other current assets	14,040	12,312
Total current assets	299,084	316,359
Non-current investments	2,672	4,920
Non-current restricted cash and investments	957	883
Properties, plants, equipment and mineral interests, net	1,863,440	1,831,564
Non-current deferred income taxes	105,739	98,923
Reclamation insurance asset	16,800
Other non-current assets and deferred charges	3,576	9,415
Total assets	2,292,268	2,262,064
Current liabilities:
Accounts payable and accrued liabilities	44,500	41,869
Accrued payroll and related benefits	23,163	27,956
Accrued taxes	2,420	4,241
Current portion of capital leases	9,894	9,491
Current portion of debt	1,789
Other current liabilities	6,236	5,797
Current portion of accrued reclamation and closure costs	21,191	1,631
Total current liabilities	109,193	90,985
Capital leases	10,187	13,650
Accrued reclamation and closure costs	70,718	55,619
Long-term debt	501,376	498,479
Non-current deferred tax liability	137,716	153,300
Other non-current liabilities	51,504	53,057
Total liabilities	$ 880,694	$ 865,090
Commitments and contingencies (Notes 2, 4, 7, 9, and 11)
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 500,000,000 shares; issued and outstanding 2015 — 376,732,868 shares and 2014 — 367,376,863 shares	94,771	92,382
Capital surplus	1,515,362	1,486,750
Accumulated deficit	(157,547)	(141,306)
Accumulated other comprehensive loss	(31,250)	(32,031)
Less treasury stock, at cost; 2015 — 2,435,518 shares and 2014 — 2,151,482 shares issued and held in treasury	(9,801)	(8,860)
Total shareholders’ equity	1,411,574	1,396,974
Total liabilities and shareholders’ equity	$ 2,292,268	$ 2,262,064