INVENTORIES (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015
INVENTORIES
Ore on leach pads	$ 14,267	$ 7,150
In-process inventory	4,953	2,830
Stockpiles	1,102	1,923
Precious metals	5,035	1,820
Materials and supplies	1,263	1,252
Inventories	26,620	14,975
Inventory write-down	$ 0	$ 0

Represents the carrying amount, net of reserves and adjustments, as of the balance sheet date, of ore on leach pads.

No definition available.

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- Definition

Carrying amount, net of reserves and adjustments, as of the balance sheet date, of ore stockpiled.

+ References

No definition available.

+ Details

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- Definition

Represents the carrying amount, net of reserves and adjustments, as of the balance sheet date, of precious metals.

+ References

No definition available.

+ Details

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- References

No definition available.

+ Details

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- Definition

Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.6(a))
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- Definition

Aggregated amount of unprocessed materials to be used in manufacturing or production process and supplies that will be consumed. This amount is net of valuation reserves and adjustments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed. This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.

+ References

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- Definition

Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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+ Details

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