| | | | | | | | | |
| | For the year ended December 31, |
| | 2021 | | 2020 | | 2019 |
|
| | (in thousands) | | | |
Unrealized loss (gain) on gold and silver rounds | | $ | 53 | | $ | (170) | | $ | (671) |
Realized loss (gain) on gold and silver rounds | | | 2 | | | (1,003) | | | - |
Unrealized foreign currency exchange loss (gain) | | | 493 | | | 105 | | | (19) |
Loss on disposition of fixed assets | | | 37 | | | 3 | | | 12 |
Increase (decrease) in reserve for inventory | | | 175 | | | (148) | | | 885 |
Stock-based compensation related to restructuring | | | - | | | 809 | | | - |
Unrealized loss on zinc zero cost collar | | | 1,844 | | | - | | | - |
Other | | | 105 | | | - | | | 98 |
Total other operating adjustments | | $ | 2,709 | | $ | (404) | | $ | 305 |