FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS (Narrative) (Details)
$ in Thousands |
12 Months Ended |
|
|
|
Dec. 31, 2021
USD ($)
oz
|
Dec. 31, 2020
USD ($)
|
Dec. 31, 2019
USD ($)
|
| Disclosure of detailed information about financial instruments [line items] |
|
|
|
| Percentage of receivables comprised of IVA and tax receivables in Mexico |
67.00%
|
75.00%
|
|
| Percentage of receivables pending finalizations of concentrate sales |
4.00%
|
|
|
| Cash and cash equivalents |
$ 103,303
|
$ 61,083
|
$ 23,368
|
| Level 1 [Member] |
|
|
|
| Disclosure of detailed information about financial instruments [line items] |
|
|
|
| Marketable securities |
11,151
|
|
|
| Level 2 [Member] |
|
|
|
| Disclosure of detailed information about financial instruments [line items] |
|
|
|
| Marketable securities transferred to Level 1 |
497
|
|
|
| Level 3 [Member] |
|
|
|
| Disclosure of detailed information about financial instruments [line items] |
|
|
|
| Marketable securities |
49
|
|
|
| Foreign Currency Risk [Member] | Canadian Dollar [Member] |
|
|
|
| Disclosure of detailed information about financial instruments [line items] |
|
|
|
| Cash and cash equivalents |
$ 2,315
|
3,192
|
|
| Confidence level used to determine risk adjustment |
5.00%
|
|
|
| Value at risk |
$ 267
|
|
|
| Foreign Currency Risk [Member] | Mexican Peso [Member] |
|
|
|
| Disclosure of detailed information about financial instruments [line items] |
|
|
|
| Cash |
$ 5,208
|
4,590
|
|
| Confidence level used to determine risk adjustment |
5.00%
|
|
|
| Value at risk |
$ 466
|
|
|
| Commodity Price Risk [Member] |
|
|
|
| Disclosure of detailed information about financial instruments [line items] |
|
|
|
| Ounces of silver without a final settlement price | oz |
51,250
|
|
|
| Ounces of gold without a final settlement price | oz |
1,935
|
|
|
| Confidence level used to determine risk adjustment |
10.00%
|
|
|
| Value at risk |
$ 470
|
$ 716
|
|