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Note 12 - Business Segments, Sales of Products and Significant Customers | 12 Months Ended
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Dec. 31, 2020
Notes to Financial Statements |
Segment Reporting Disclosure [Text Block] | Note 12: Business Segments, Sales of Products and Significant Customers We discover, acquire and develop mines and other mineral interests and produce and market concentrates, containing silver, gold (in the case of Greens Creek), lead and zinc, (ii) carbon material containing silver and gold, and (iii) doré containing silver and gold. We are currently organized and managed in five segments, which represent our operating units: the Greens Creek unit, the Lucky Friday unit, the Casa Berardi unit, the San Sebastian unit, and the Nevada Operations unit. General corporate activities not associated with operating units and their various exploration activities, as well as idle properties, are presented as “other.” Interest expense, interest income and income taxes are considered general corporate items, and are not allocated to our segments. The tables below present information about our reportable segments as of and for the years ended December 31, 2020, 2019 and 2018 (in thousands).
|  | 2020 |  |  | 2019 |  |  | 2018 |
Net sales to unaffiliated customers: |  |  |  |  |  |  |  |  |  |  |  |
Greens Creek |  | $ | 327,820 |  |  | $ | 299,722 |  |  | $ | 265,650 |
Lucky Friday |  |  | 63,025 |  |  |  | 16,621 |  |  |  | 9,750 |
Casa Berardi |  |  | 209,224 |  |  |  | 192,944 |  |  |  | 210,339 |
San Sebastian |  |  | 32,906 |  |  |  | 56,210 |  |  |  | 50,224 |
Nevada Operations |  |  | 58,898 |  |  |  | 107,769 |  |  |  | 31,174 |
Total sales to unaffiliated customers |  | $ | 691,873 |  |  | $ | 673,266 |  |  | $ | 567,137 |
Income (loss) from operations: |  |  |  |  |  |  |  |  |  |  |  |
Greens Creek |  | $ | 108,230 |  |  | $ | 84,868 |  |  | $ | 70,293 |
Lucky Friday |  |  | (1,711 | ) |  |  | (12,520 | ) |  |  | (20,199 | )
Casa Berardi |  |  | 1,359 |  |  |  | (33,499 | ) |  |  | 881 |
San Sebastian |  |  | 2,793 |  |  |  | 569 |  |  |  | (14 | )
Nevada Operations |  |  | (6,674 | ) |  |  | (49,224 | ) |  |  | (26,715 | )
Other |  |  | (52,416 | ) |  |  | (47,303 | ) |  |  | (63,372 | )
Total (loss) income from operations |  | $ | 51,581 |  |  | $ | (57,109 | ) |  | $ | (39,126 | )
Capital additions (including non-cash additions): |  |  |  |  |  |  |  |  |  |  |  |
Greens Creek |  | $ | 23,665 |  |  | $ | 35,829 |  |  | $ | 43,631 |
Lucky Friday |  |  | 27,284 |  |  |  | 7,861 |  |  |  | 14,236 |
Casa Berardi |  |  | 47,576 |  |  |  | 33,906 |  |  |  | 39,816 |
San Sebastian |  |  | (47 | ) | — |  | 3,906 |  |  |  | 8,492 |
Nevada Operations |  |  | 4,003 |  |  |  | 42,154 |  |  |  | 35,721 |
Other |  |  | 38 |  |  |  | 73 |  |  |  | 4,555 |
Total capital additions |  | $ | 102,519 |  |  | $ | 123,729 |  |  | $ | 146,451 |
Depreciation, depletion and amortization: |  |  |  |  |  |  |  |  |  |  |  |
Greens Creek |  | $ | 49,692 |  |  | $ | 47,587 |  |  | $ | 46,511 |
Lucky Friday |  |  | 11,473 |  |  |  | 1,175 |  |  |  | 1,012 |
Casa Berardi |  |  | 69,572 |  |  |  | 73,960 |  |  |  | 71,302 |
San Sebastian |  |  | 3,548 |  |  |  | 9,772 |  |  |  | 4,602 |
Nevada Operations |  |  | 22,845 |  |  |  | 67,024 |  |  |  | 10,617 |
Total depreciation, depletion and amortization |  | $ | 157,130 |  |  | $ | 199,518 |  |  | $ | 134,044 |
Other significant non-cash items: |  |  |  |  |  |  |  |  |  |  |  |
Greens Creek |  | $ | 3,103 |  |  | $ | 2,868 |  |  | $ | 3,325 |
Lucky Friday |  |  | 881 |  |  |  | 996 |  |  |  | 618 |
Casa Berardi |  |  | (1,741 | ) |  |  | 5,203 |  |  |  | 696 |
San Sebastian |  |  | 456 |  |  |  | 492 |  |  |  | 419 |
Nevada Operations |  |  | 2,039 |  |  |  | 2,911 |  |  |  | 8,758 |
Other |  |  | 6,426 |  |  |  | (6,595 | ) |  |  | (23,358 | )
Total other significant non-cash items |  | $ | 11,164 |  |  | $ | 5,875 |  |  | $ | (9,542 | )
Identifiable assets: |  |  |  |  |  |  |  |  |  |  |  |
Greens Creek |  | $ | 610,360 |  |  | $ | 639,047 |  |  | $ | 637,386 |
Lucky Friday |  |  | 520,463 |  |  |  | 440,615 |  |  |  | 437,499 |
Casa Berardi |  |  | 694,522 |  |  |  | 703,511 |  |  |  | 754,248 |
San Sebastian |  |  | 42,617 |  |  |  | 48,294 |  |  |  | 44,152 |
Nevada Operations |  |  | 513,309 |  |  |  | 528,466 |  |  |  | 581,194 |
Other |  |  | 286,453 |  |  |  | 277,375 |  |  |  | 249,465 |
Total identifiable assets |  | $ | 2,667,724 |  |  | $ | 2,637,308 |  |  | $ | 2,703,944 |
The following are our long-lived assets by geographic area as of December 31, 2020 and 2019 (in thousands):
|  | 2020 |  |  | 2019 |
United States |  | $ | 1,701,307 |  |  | $ | 1,748,406 |
Canada |  |  | 635,788 |  |  |  | 660,859 |
Mexico |  |  | 8,124 |  |  |  | 14,433 |
Total long-lived assets |  | $ | 2,345,219 |  |  | $ | 2,423,698 |
Our products consist of metal concentrates and carbon material, which we sell to custom smelters, metal traders and third-party processors, and unrefined bullion bars (doré), which may be sold as doré or further refined before sale to precious metal traders. Revenue is recognized upon the completion of the performance obligations and transfer of control of the product to the customer. For sales of metals from refined doré, which we currently have at our Casa Berardi and San Sebastian units, the performance obligation is met, the transaction price is known, and revenue is recognized at the time of transfer of control of the agreed-upon metal quantities to the customer by the refiner. For sales of unrefined doré, the performance obligation is met, the transaction price is known, and revenue is recognized at the time of transfer of title and control of the doré containing the agreed-upon metal quantities to the customer. Refining, selling and shipping costs related to sales of doré and metals from doré are recorded to cost of sales as incurred. For sales of carbon materials, which we have at our Nevada Operations unit commencing in 2020 (with sales of unrefined doré there in previous periods), transfer of control takes place, the performance obligation is met, the transaction price is known, and revenue is recognized generally at the time of arrival at the customer's facility. For concentrate sales, which we currently have at our Greens Creek and Lucky Friday units, the performance obligation is met, the transaction price can be reasonably estimated, and revenue is recognized generally at the time of shipment. Concentrates sold at our Lucky Friday unit typically leave the mine and are received by the customer within the same day. However, there is a period of time between shipment of concentrates from our Greens Creek unit and their physical receipt by the customer, and judgment is required in determining when control has been transferred to the customer and the performance obligation has been met for those shipments. We have determined control is met, title is transferred and the performance obligation is met upon shipment of concentrate parcels from Greens Creek because, at that time, 1) legal title is transferred to the customer, 2) the customer has accepted the parcel and obtained the ability to realize all of the benefits from the product, 3) the concentrate content specifications are known, have been communicated to the customer, and the customer has the significant risks and rewards of ownership of it, 4) it is very unlikely a concentrate parcel from Greens Creek will be rejected by a customer upon physical receipt, and 5) we have the right to payment for the parcel. Judgment is also required in identifying what our performance obligations for our concentrate sales are. Most of our concentrate sales involve “frame contracts” with smelters that can cover multiple years and specify certain terms under which individual parcels of concentrates are sold. However, some terms are not specified in the frame contracts and/or can be renegotiated as part of annual amendments to the frame contract. We have determined parcel shipments represent individual performance obligations satisfied at a point in time when control of the shipment is transferred to the customer. The consideration we receive for our concentrate sales fluctuates due to changes in metals prices between the time of shipment and final settlement with the customer. However, we are able to reasonably estimate the transaction price for the concentrate sales at the time of shipment using forward prices for the month of settlement, and previously recorded sales and accounts receivable are adjusted to estimated settlement metals prices until final settlement with the customer. Also, it is unlikely a significant reversal of revenue for any one concentrate parcel will occur. As such, we use the expected value method to price the parcels until the final settlement date occurs, at which time the final transaction price is known. At December 31, 2020, metals contained in concentrate sales and exposed to future price changes totaled 1.7 million ounces of silver, 4,516 ounces of gold, 26.4 million pounds of zinc, and 9.1 million pounds of lead. However, as discussed in Note 11, we seek to mitigate the risk of price adjustments by using financially-settled forward contracts for some of our sales. Sales and accounts receivable for concentrate shipments are recorded net of charges for treatment, refining, smelting losses, and other charges negotiated by us with the customers, which represent components of the transaction price. Charges are estimated by us upon shipment of concentrates based on contractual terms, and actual charges typically do not vary materially from our estimates. Costs charged by customers include fixed treatment and refining costs per ton of concentrate and may include price escalators which allow the customers to participate in the increase of lead and zinc prices above a negotiated baseline. Costs for shipping concentrates to customers are recorded to cost of sales as incurred. Sales of metal concentrates and metal products are made principally to custom smelters, third-party processors and metal traders. The percentage of sales contributed by each segment is reflected in the following table:
|  | Year Ended December 31, |
|  | 2020 |  |  | 2019 |  |  | 2018 |
Greens Creek |  |  | 47.4 | % |  |  | 44.5 | % |  |  | 46.7 | %
Lucky Friday |  |  | 9.1 | % |  |  | 2.5 | % |  |  | 1.8 | %
Casa Berardi |  |  | 30.2 | % |  |  | 28.7 | % |  |  | 37.1 | %
San Sebastian |  |  | 4.8 | % |  |  | 8.3 | % |  |  | 8.9 | %
Nevada Operations |  |  | 8.5 | % |  |  | 16.0 | % |  |  | 5.5 | %
|  |  | 100 | % |  |  | 100 | % |  |  | 100 | %
Sales of products by metal for the years ended December 31, 2020, 2019 and 2018 were as follows (in thousands):
|  | Year Ended December 31, |
|  | 2020 |  |  | 2019 |  |  | 2018 |
Silver |  | $ | 260,227 |  |  | $ | 192,235 |  |  | $ | 144,609 |
Gold |  |  | 356,166 |  |  |  | 388,602 |  |  |  | 313,076 |
Lead |  |  | 48,776 |  |  |  | 35,777 |  |  |  | 33,829 |
Zinc |  |  | 95,065 |  |  |  | 89,656 |  |  |  | 99,800 |
Less: Smelter and refining charges |  |  | (68,361 | ) |  |  | (33,004 | ) |  |  | (24,177 | )
Sales of products |  | $ | 691,873 |  |  | $ | 673,266 |  |  | $ | 567,137 |
The following is sales information by geographic area based on the location of smelters and metal traders (for concentrate shipments) and the location of parent companies (for doré sales to metal traders) for the years ended December 31, 2020, 2019 and 2018 (in thousands):
|  | 2020 |  |  | 2019 |  |  | 2018 |
United States |  | $ | 292,704 |  |  | $ | 53,612 |  |  | $ | 48,437 |
Canada |  |  | 145,670 |  |  |  | 379,095 |  |  |  | 322,402 |
Japan |  |  | 39,418 |  |  |  | 48,841 |  |  |  | 42,885 |
Netherlands |  |  | (923 | ) |  |  | 38,420 |  |  |  | — |
Korea |  |  | 165,302 |  |  |  | 154,581 |  |  |  | 145,263 |
China |  |  | 66,082 |  |  |  | — |  |  |  | 66 |
Total, excluding gains/losses on forward contracts |  | $ | 708,253 |  |  | $ | 674,549 |  |  | $ | 559,053 |
Sales by significant product type for the years ended December 31, 2020, 2019 and 2018 were as follows (in thousands):
|  | Year Ended December 31, |
|  | 2020 |  |  | 2019 |  |  | 2018 |
Doré and metals from doré |  | $ | 266,536 |  |  | $ | 340,912 |  |  | $ | 306,328 |
Carbon |  |  | 60,302 |  |  |  | 37,645 |  |  |  | 5,239 |
Lead concentrate |  |  | 281,050 |  |  |  | 200,456 |  |  |  | 148,880 |
Zinc concentrate |  |  | 76,481 |  |  |  | 74,160 |  |  |  | 80,938 |
Bulk concentrate |  |  | 23,884 |  |  |  | 21,376 |  |  |  | 17,668 |
Total, excluding gains/losses on forward contracts |  | $ | 708,253 |  |  | $ | 674,549 |  |  | $ | 559,053 |
Sales of products for 2020, 2019 and 2018, included a net loss of $16.4 million, a net loss of $1.3 million, and a net gain of $8.1 million, respectively, on derivative contracts for silver, gold, lead and zinc contained in our sales. See Note 11 for more information. Sales from continuing operations to significant metals customers as a percentage of total sales were as follows for the years ended December 31, 2020, 2019 and 2018:
|  | Year Ended December 31, |
|  | 2020 |  |  | 2019 |  |  | 2018 |
CIBC |  |  | 32.7 | % |  |  | 23.1 | % |  |  | 29.7 | %
Teck Metals Ltd. |  |  | 16.1 | % |  |  | 8.2 | % |  |  | 8.4 | %
Ocean Partners |  |  | 13.9 | % |  |  | 5.7 | % |  |  | 2.5 | %
Korea Zinc |  |  | 13.3 | % |  |  | 17.4 | % |  |  | 17.8 | %
Scotia |  |  | 2.9 | % |  |  | 24.0 | % |  |  | 15.3 | %
Our trade accounts receivable balance related to contracts with customers was $27.9 million at December 31, 2020 and $12.0 million at December 31, 2019, and included no allowance for doubtful accounts. We have determined our contracts do not include a significant financing component. For doré sales and sales of metal from doré, payment is received at the time the performance obligation is satisfied. Payment for carbon sales is received within a relatively short period of time after the performance obligation is satisfied. The amount of consideration for concentrate sales is variable, and we receive payment for a significant portion of the estimated value of concentrate parcels within a relatively short period of time after the performance obligation is satisfied. We do not incur significant costs to obtain contracts, nor costs to fulfill contracts which are not addressed by other accounting standards. Therefore, we have not recognized an asset for such costs as of December 31, 2020 or December 31, 2019.

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 31 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8924-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8981-108599 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8721-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9031-108599 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8844-108599 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9038-108599 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9054-108599 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8657-108599 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8721-108599 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -URI http://asc.fasb.org/topic&trid=2134510 + Details
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