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13. Sales of Products | 12 Months Ended
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Dec. 31, 2018
Notes |
13. Sales of Products | 13. Sales of Products Our products consist of both gold floatation concentrates which we sell to a broker (H&H Metal), and an unrefined gold-silver product known as doré which we sell to a precious metal refinery. Revenue is recognized upon the completion of the performance obligations and transfer of control of the product to the customer, and the transaction price can be determined or reasonably estimated. For gold flotation concentrate sales, the performance obligation is met when the transaction price can be reasonably estimated and revenue is recognized generally at the time when risk is transferred to H&H Metal based on contractual terms. Based on contractual terms, we have determined the performance obligation is met and title is transferred to H&H Metal when the Company receives its first provisional payment on the concentrate because, at that time, 1) legal title is transferred to the customer, 2) the customer has accepted the concentrate lot and obtained the ability to realize all of the benefits from the product, 3) the concentrate content specifications are known, have been communicated to H&H Metal, and H&H Metal has the significant risks and rewards of ownership to it, 4) it is very unlikely a concentrate will be rejected by H&H Metal upon physical receipt, and 5) we have the right to payment for the concentrate. Concentrates lots that have been sold are held at our mill from 30 to 60 days, until H&H Metal provides shipping instructions. Judgment is required in identifying the performance obligations for our concentrate sales. We have determined that the individual performance obligation is satisfied at a point in time when control of the concentrate is transferred to H&H Metal which is when H&H Metal pays us the first provisional payment on the concentrate based on contractual terms. Our concentrate sales sometimes involve variable consideration, as they can be subject to changes in metals prices between the time of shipment and their final settlement. However, we are able to reasonably estimate the transaction price for the concentrate sales at the time of shipment using forward prices for the estimated month of settlement, and previously recorded sales and accounts receivable are adjusted to estimated settlement metals prices until final settlement for financial reporting purposes. Also, it is unlikely a significant reversal of revenue for any one concentrate lot will occur. As such, we use the expected value method to price the concentrate until the final settlement date occurs, at which time the final transaction price is known. At December 31, 2018, metals contained in concentrates and exposed to future price changes totaled 288 ounces of gold. Sales and accounts receivable for concentrate shipments are recorded net of charges for treatment and other charges negotiated by us with H&H Metal, which represent components of the transaction price. Charges are estimated by us upon transfer of risk of the concentrates based on contractual terms, and actual charges typically do not vary materially from our estimates. Costs charged by the customer include fixed treatment, refining and costs per ton of concentrate and may include penalty charges for lead and zinc content above a negotiated baseline as well as excessive moisture. For sales of doré and of metals from doré 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. Sales of products by metal for the years ended December 31, 2018 and 2017 were as follows:
| December 31, 2018 | December 31, 2017
Gold | $ | 3,971,567 | $ | 4,518,152
Silver |  | 11,584 |  | 16,315
Less: Smelter and refining charges |  | (353,314) |  | (252,896)
Total | $ | 3,629,837 | $ | 4,281,571
Sales by significant product type for the years ended December 31, 2018 and 2017 were as follows:
| December 31, 2018 | December 31, 2017
Concentrate sales to H&H Metal | $ | 3,305,731 | $ | 4,200,211
Dore’ sales to refineries |  | 324,106 |  | 81,360
Total | $ | 3,629,837 | $ | 4,281,571
At December31, 2018 and 2017, our gold sales receivable balance related to contracts with customers of $74,673 and $307,796, respectively, consist only of amounts due from H&H Metal. There is no allowance for doubtful accounts. We have determined our contracts do not include a significant financing component. For doré sales, payment is received at the time the performance obligation is satisfied. Consideration for concentrate sales is variable, and we receive payment for a significant portion of the estimated value of concentrate parcels at the time 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 standards. Therefore, we have not recognized an asset for such costs as of December 31, 2018 or 2017.

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- Definition The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -URI http://asc.fasb.org/topic&trid=2122369 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -URI http://asc.fasb.org/topic&trid=49130388 + Details
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