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SEGMENTED INFORMATION (Schedule of Reportable Operating Segments) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
OPERATING SEGMENT RESULTS |  |
Sales | $ 49,208 | $ 41,634
Royalty revenue | 19,067 | 20,737
Cost of sales excluding depletion | 15,321 | 12,834
Depletion | 29,580 | 27,654
Impairment of mineral, royalty and other interests | 9,104 | 2,507
(Gain) loss on disposal of mineral interest and other | (4,848) | 1,107
Income (loss) before taxes | 14,614 | 29,785
Cash flow from (used in) operating activities | 44,773 | 38,991
Material reconciling items [member] |  |
OPERATING SEGMENT RESULTS |  |
(Gain) loss on disposal of mineral interest and other | (1,251) | 1,107
Income (loss) before taxes | (3,253) | 10,409
Cash flow from (used in) operating activities | (9,549) | (9,704)
Reportable segments [member] |  |
OPERATING SEGMENT RESULTS |  |
Sales | 49,208 | 41,634
Royalty revenue | 19,067 | 20,737
Cost of sales excluding depletion | 15,321 | 12,834
Depletion | 29,580 | 27,654
Impairment of mineral, royalty and other interests | 9,104 | 2,507
(Gain) loss on disposal of mineral interest and other | (3,597) |
Income (loss) before taxes | 17,867 | 19,376
Cash flow from (used in) operating activities | 54,322 | 48,695
Other Royalties [member] | Various Products [member] |  |
OPERATING SEGMENT RESULTS |  |
Royalty revenue | 11,538 | 14,419
Cost of sales excluding depletion |  | 4
Depletion | 5,894 | 6,592
Impairment of mineral, royalty and other interests | 9,104 | 2,507
(Gain) loss on disposal of mineral interest and other | (866) |
Income (loss) before taxes | (2,594) | 5,316
Cash flow from (used in) operating activities | 13,693 | 14,073
Other Royalties [member] | Gold Product [member] |  |
OPERATING SEGMENT RESULTS |  |
Royalty revenue | 6,500 | 9,200
Other Royalties [member] | Copper Product [member] |  |
OPERATING SEGMENT RESULTS |  |
Royalty revenue | 1,500 | 2,500
Other Royalties [member] | Other Base Metal Product [member] |  |
OPERATING SEGMENT RESULTS |  |
Royalty revenue | 3,500 | 2,700
Other [member] | Gold Product [member] |  |
OPERATING SEGMENT RESULTS |  |
Sales | 327 | 226
Cost of sales excluding depletion | 26 | 18
Depletion | 103 | 69
(Gain) loss on disposal of mineral interest and other | 221 |
Income (loss) before taxes | (23) | 139
Cash flow from (used in) operating activities | 294 | 208
CANADA | Bachelor Lake [member] | Gold Product [member] |  |
OPERATING SEGMENT RESULTS |  |
Sales | 7,706 | 8,721
Royalty revenue | 379 | 462
Cost of sales excluding depletion | 3,082 | 3,494
Depletion | 4,074 | 4,411
(Gain) loss on disposal of mineral interest and other | (2,952) |
Income (loss) before taxes | 3,881 | 1,278
Cash flow from (used in) operating activities | 5,030 | 5,481
CANADA | Black Fox [member] | Gold Product [member] |  |
OPERATING SEGMENT RESULTS |  |
Sales | 6,693 | 5,617
Cost of sales excluding depletion | 2,847 | 2,354
Depletion | 2,520 | 2,011
Income (loss) before taxes | 1,326 | 1,252
Cash flow from (used in) operating activities | 3,953 | 2,951
CANADA | Diavik [member] | Diamonds Product [member] |  |
OPERATING SEGMENT RESULTS |  |
Royalty revenue | 7,150 | 5,856
Depletion | 6,080 | 5,519
Income (loss) before taxes | 1,070 | 337
Cash flow from (used in) operating activities | 6,781 | 5,901
CANADA | Ming [member] | Gold Product [member] |  |
OPERATING SEGMENT RESULTS |  |
Sales | 796 | 2,025
Depletion | 356 | 792
Income (loss) before taxes | 440 | 1,233
Cash flow from (used in) operating activities | 796 | 2,025
CANADA | Other Royalties [member] |  |
OPERATING SEGMENT RESULTS |  |
Royalty revenue | 5,700 | 5,600
UNITED STATES | Other Royalties [member] |  |
OPERATING SEGMENT RESULTS |  |
Royalty revenue | 1,500 | 2,500
BRAZIL | Chapada [member] | Copper Product [member] |  |
OPERATING SEGMENT RESULTS |  |
Sales | 11,001 | 6,075
Cost of sales excluding depletion | 3,249 | 1,843
Depletion | 3,765 | 2,737
Income (loss) before taxes | 3,987 | 1,495
Cash flow from (used in) operating activities | 7,753 | 4,232
BURKINA FASO | Karma [member] | Gold Product [member] |  |
OPERATING SEGMENT RESULTS |  |
Sales | 6,863 | 4,272
Cost of sales excluding depletion | 1,365 | 860
Depletion | 3,437 | 2,095
Income (loss) before taxes | 2,061 | 1,317
Cash flow from (used in) operating activities | 5,489 | 3,314
MEXICO | Santa Elena [member] | Gold Product [member] |  |
OPERATING SEGMENT RESULTS |  |
Sales | 11,570 | 11,772
Cost of sales excluding depletion | 3,485 | 3,385
Depletion | 1,098 | 2,001
Income (loss) before taxes | 6,987 | 6,386
Cash flow from (used in) operating activities | 7,548 | 8,460
ARGENTINA | Yamana Silver Stream [member] | Silver Product [member] |  |
OPERATING SEGMENT RESULTS |  |
Sales | 4,252 | 2,926
Cost of sales excluding depletion | 1,267 | 876
Depletion | 2,253 | 1,427
Income (loss) before taxes | 732 | 623
Cash flow from (used in) operating activities | 2,985 | 2,050
ARGENTINA | Other Royalties [member] |  |
OPERATING SEGMENT RESULTS |  |
Royalty revenue | 1,800 | 1,900
HONDURAS | Other Royalties [member] |  |
OPERATING SEGMENT RESULTS |  |
Royalty revenue | 1,800 | 3,700
Other Geographical Areas [Member] | Other Royalties [member] |  |
OPERATING SEGMENT RESULTS |  |
Royalty revenue | 700 | 700
Administrative and Project Evaluation Expenses [member] | Material reconciling items [member] |  |
OPERATING SEGMENT RESULTS |  |
Income (loss) before taxes | (11,300) | (10,095)
Cash flow from (used in) operating activities | (7,408) | (6,758)
Foreign Exchange Gain Loss [member] | Material reconciling items [member] |  |
OPERATING SEGMENT RESULTS |  |
Income (loss) before taxes | 2,434 | (87)
Gain Loss On Revaluation Of Investments [member] | Material reconciling items [member] |  |
OPERATING SEGMENT RESULTS |  |
Income (loss) before taxes | 5,827 | 22,093
Finance Expense Net [member] | Material reconciling items [member] |  |
OPERATING SEGMENT RESULTS |  |
Income (loss) before taxes | (1,465) | (395)
Cash flow from (used in) operating activities | (1,593) | (2,388)
Other [member] | Material reconciling items [member] |  |
OPERATING SEGMENT RESULTS |  |
(Gain) loss on disposal of mineral interest and other | (1,251) | 1,107
Income (loss) before taxes | 1,251 | (1,107)
Cash flow from (used in) operating activities | $ (548) | $ (558)

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