INVENTORIES (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2020	Dec. 31, 2019
Inventories
Material on leach pads	$ 29,632	$ 29,632	$ 37,328
In-process inventory	3,770	3,770	3,847
Stockpiles	696	696	1,384
Precious metals	739	739	1,038
Materials and supplies	4,432	4,432	4,382
Inventories	39,269	39,269	47,979
Less current portion	33,371	33,371	38,376
Long-term portion	5,898	5,898	$ 9,603
Black Fox \| Production cost of sales
Inventories
Inventory write-down	$ 1,900	1,500
Gold Bar mine
Inventories
Inventory write-down		1,200
Gold Bar mine \| Production cost of sales
Inventories
Inventory write-down		$ 1,100

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

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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.

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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.

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- Definition

Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

+ References

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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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.

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Inventories not expected to be converted to cash, sold or exchanged within the normal operating cycle.

+ References

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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.

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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.

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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

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