Accrued Expenses and Other Liabilities (Details) - USD ($)
$ in Thousands |
|
12 Months Ended |
|
Apr. 23, 2021 |
Dec. 31, 2021 |
Dec. 31, 2020 |
| Accrued royalty payments |
|
$ 1,743
|
$ 1,796
|
| Dividends payable |
|
|
247
|
| Zinc derivatives |
|
1,844
|
|
| Employee profit sharing obligation |
|
1,888
|
|
| Other payables |
|
1,100
|
232
|
| Total accrued expenses and other current liabilities |
|
6,575
|
2,275
|
| Other Liabilities, Noncurrent [Abstract] |
|
|
|
| Accrued non-current labor obligation |
|
920
|
|
| Deferred stock unit ("DSU") compensation liability |
|
206
|
|
| Other long-term liabilities |
|
826
|
13
|
| Total other non-current liabilities |
|
1,952
|
$ 13
|
| Derivative liability |
|
1,800
|
|
| Percentage of statutory profit sharing payable |
10.00%
|
|
|
| Other Long-term Liabilities And Other Expenses [member] |
|
|
|
| Other Liabilities, Noncurrent [Abstract] |
|
|
|
| Accrued non-current labor obligation |
|
$ 900
|
|
| Deferred Profit Sharing [Member] |
|
|
|
| Other Liabilities, Noncurrent [Abstract] |
|
|
|
| Percentage of statutory profit sharing payable |
|
10.00%
|
|
| Deferred Profit Sharing [Member] | Current Liabilities And Production Cost [Member] |
|
|
|
| Employee profit sharing obligation |
|
$ 1,900
|
|