|
OPERATING SEGMENT REPORTING (Details) (USD $) In Thousands, unless otherwise specified
|
12 Months Ended |
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
|
| Operating Segment Reporting |
|
|
|
| Gold and silver sales |
$ 45,982 |
$ 5,966 |
|
| Production costs applicable to sales |
34,594 |
3,861 |
|
| Mine construction costs |
1,383 |
14,260 |
1,745 |
| Mine development and operating costs |
847 |
8,507 |
|
| Exploration costs |
24,829 |
47,179 |
42,983 |
| Income on investment in Minera Santa Cruz S.A., net of amortization |
(846) |
(20,835) |
|
| Impairment of investment in MSC |
95,878 |
|
|
| Impairment of mineral property interests and property and equipment |
62,963 |
18,468 |
|
| Loss (gain) on sale of assets |
6,743 |
(1,110) |
(36) |
| Operating loss |
(200,397) |
(91,405) |
(60,185) |
| Investment in Minera Santa Cruz S.A. |
212,947 |
273,948 |
|
| Mineral property interests |
642,968 |
767,067 |
245,454 |
| Total assets |
923,066 |
1,150,937 |
310,355 |
|
Argentina
|
|
|
|
| Operating Segment Reporting |
|
|
|
| Exploration costs |
14,776 |
25,091 |
|
| Income on investment in Minera Santa Cruz S.A., net of amortization |
(846) |
(20,835) |
|
| Impairment of investment in MSC |
95,878 |
|
|
| Impairment of mineral property interests and property and equipment |
27,729 |
179 |
|
| Loss (gain) on sale of assets |
316 |
|
|
| Operating loss |
(139,784) |
(8,156) |
|
| Investment in Minera Santa Cruz S.A. |
212,947 |
273,948 |
|
| Mineral property interests |
458,203 |
539,092 |
|
| Total assets |
674,269 |
825,047 |
|
|
Mexico
|
|
|
|
| Operating Segment Reporting |
|
|
|
| Gold and silver sales |
45,982 |
5,966 |
|
| Production costs applicable to sales |
34,594 |
3,861 |
|
| Mine construction costs |
1,383 |
14,260 |
1,745 |
| Mine development and operating costs |
847 |
8,507 |
|
| Exploration costs |
6,658 |
15,918 |
29,160 |
| Impairment of mineral property interests and property and equipment |
|
1,343 |
|
| Operating loss |
(2,998) |
(43,417) |
(35,867) |
| Mineral property interests |
11,984 |
12,707 |
12,750 |
| Total assets |
54,131 |
47,359 |
33,899 |
|
United States
|
|
|
|
| Operating Segment Reporting |
|
|
|
| Exploration costs |
2,952 |
5,060 |
12,825 |
| Impairment of mineral property interests and property and equipment |
35,234 |
16,946 |
|
| Loss (gain) on sale of assets |
6,430 |
|
|
| Operating loss |
(47,422) |
(25,144) |
(15,412) |
| Mineral property interests |
172,781 |
215,268 |
232,704 |
| Total assets |
177,248 |
220,148 |
238,402 |
|
Corporate & Other
|
|
|
|
| Operating Segment Reporting |
|
|
|
| Exploration costs |
443 |
1,110 |
998 |
| Loss (gain) on sale of assets |
(3) |
|
|
| Operating loss |
(10,193) |
(14,688) |
(8,906) |
| Total assets |
$ 17,418 |
$ 58,383 |
$ 38,054 |