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Fair Value Measurement (Tables) | 9 Months Ended
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Sep. 30, 2022
Fair Value Measurement |
Assets measured at fair value by level within fair value hierarchy | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | As of | ​ | As of | ​ | ​
​ | ​ | September 30, | ​ | December 31, | ​ | Input Hierarchy Level
​ | ​ | 2022 | ​ | 2021 | ​ | ​
​ | ​ | (in thousands) | ​ | ​
Cash and cash equivalents | ​ | $ | 22,531 | ​ | $ | 33,712 | ​ | Level 1
Accounts receivable, net | ​ | $ | 3,741 | ​ | $ | 8,672 | ​ | Level 2
Investment in equity securities | ​ | $ | 1,716 | ​ | $ | - | ​ | Level 1
Derivative asset - zinc zero cost collar | ​ | $ | 432 | ​ | $ | - | ​ | Level 2
Derivative liability - zinc zero cost collar | ​ | $ | - | ​ | $ | (1,844) | ​ | Level 2
Contingent consideration | ​ | $ | (4,036) | ​ | $ | (4,603) | ​ | Level 3
Gold and silver stream agreements | ​ | $ | (43,201) | ​ | $ | (42,560) | ​ | Level 3
Gains and Losses Related to Changes in Fair Value | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the three months ended September 30, | ​ | For the nine months ended September 30, | ​ | Statements of Operations Classification
​ | ​ | 2022 | ​ | 2021 | ​ | ​ | 2022 | ​ | 2021 | ​ | ​
​ | Note | (in thousands) | ​ | ​
Realized and unrealized derivative (loss) gain, net | 14 | $ | (934) | ​ | $ | (478) | ​ | ​ | $ | (1,064) | ​ | $ | 156 | ​ | Sales, net
Realized gain (loss) on zinc zero cost collar | 17 | $ | 61 | ​ | $ | (40) | ​ | ​ | $ | (2,396) | ​ | $ | (40) | ​ | Realized and unrealized loss on zinc zero cost collar
Unrealized gain (loss) on zinc zero cost collar | 17 | $ | 157 | ​ | $ | (144) | ​ | ​ | $ | 2,276 | ​ | $ | (144) | ​ | Realized and unrealized loss on zinc zero cost collar
Realized and Unrealized Gain Losses on Derivatives | The following tables summarize the Company’s realized/unrealized derivatives for the periods presented (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Gold | ​ | Silver | ​ | Copper | ​ | Lead | ​ | Zinc | ​ | Total
For the three months ended September 30, 2022 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Realized loss | ​ | $ | (198) | ​ | $ | (141) | ​ | $ | (158) | ​ | $ | (88) | ​ | $ | (627) | ​ | $ | (1,212)
Unrealized (loss) gain | ​ | ​ | (95) | ​ | ​ | (81) | ​ | ​ | 108 | ​ | ​ | 96 | ​ | ​ | 250 | ​ | ​ | 278
Total realized/unrealized derivatives, net | ​ | $ | (293) | ​ | $ | (222) | ​ | $ | (50) | ​ | $ | 8 | ​ | $ | (377) | ​ | $ | (934)
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Gold | ​ | Silver | ​ | Copper | ​ | Lead | ​ | Zinc | ​ | Total
For the three months ended September 30, 2021 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Realized (loss) gain | ​ | $ | (110) | ​ | $ | (295) | ​ | $ | (4) | ​ | $ | 72 | ​ | $ | 91 | ​ | $ | (246)
Unrealized gain (loss) | ​ | ​ | 28 | ​ | ​ | (11) | ​ | ​ | (16) | ​ | ​ | (84) | ​ | ​ | (149) | ​ | ​ | (232)
Total realized/unrealized derivatives, net | ​ | $ | (82) | ​ | $ | (306) | ​ | $ | (20) | ​ | $ | (12) | ​ | $ | (58) | ​ | $ | (478)
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Gold | ​ | Silver | ​ | Copper | ​ | Lead | ​ | Zinc | ​ | Total
For the nine months ended September 30, 2022 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Realized (loss) gain | ​ | $ | (16) | ​ | $ | 13 | ​ | $ | (173) | ​ | $ | (32) | ​ | $ | 1,022 | ​ | $ | 814
Unrealized (loss) gain | ​ | ​ | (96) | ​ | ​ | 30 | ​ | ​ | 3 | ​ | ​ | (103) | ​ | ​ | (1,712) | ​ | ​ | (1,878)
Total realized/unrealized derivatives, net | ​ | $ | (112) | ​ | $ | 43 | ​ | $ | (170) | ​ | $ | (135) | ​ | $ | (690) | ​ | $ | (1,064)
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Gold | ​ | Silver | ​ | Copper | ​ | Lead | ​ | Zinc | ​ | Total
For the nine months ended September 30, 2021 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Realized (loss) gain | ​ | $ | (133) | ​ | $ | (123) | ​ | $ | 63 | ​ | $ | 146 | ​ | $ | 251 | ​ | $ | 204
Unrealized gain (loss) | ​ | ​ | 58 | ​ | ​ | 10 | ​ | ​ | (24) | ​ | ​ | (63) | ​ | ​ | (29) | ​ | ​ | (48)
Total realized/unrealized derivatives, net | ​ | $ | (75) | ​ | $ | (113) | ​ | $ | 39 | ​ | $ | 83 | ​ | $ | 222 | ​ | $ | 156

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- Definition Tabular disclosure of the amount of gains or losses for the period included in earnings or resulted in a change to net assets, have arisen from the use of significant unobservable inputs (level 3) to measure the fair value of assets, liabilities, and financial instruments classified in shareholders' equity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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- Definition Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5624163-113959 + Details
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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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