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v3.20.2

Other Income and Expense (Details) - USD ($) |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Aug. 11, 2020 | Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Other Non Operating, Income And Expense [Line Items] |  |  |  |  |
Gain on sale of membership interests in Comstock Mining LLC |  | $ 18,275,846 | $ 0 | $ 18,275,846 | $ 0
Change in fair value of contingent forward asset |  | (647,502) | 0 | 765,880 | 0
Interest expense |  | (164,448) | (179,588) | (306,692) | (822,632)
Interest income |  | 142,365 | 11,136 | 328,391 | 73,411
Mining lease income |  | 10,167 | 1,667 | 30,167 | 1,667
Realized gain on sale of shares of Tonogold common stock |  | 743,535 | 0 | 767,275 | 0
Change in estimated fair value of Tonogold shares |  | (53,610) | (332,263) | 1,282,319 | (332,263)
Change in estimated fair value of Tonogold note receivable |  | 256,000 | 0 | 256,000 | 0
Loss on early retirement of GF Comstock debenture |  |  |  | (67,127) | (284,647)
Preferred shares issuance cost |  | 0 | 0 | 0 | (432,000)
Make whole obligations |  | 0 | (517,558) | 162,711 | (417,341)
Recognition of PPP proceeds |  | 67,624 | 0 | 261,170 | 0
Gain on sale of mineral rights and property, plant, and equipment |  | 0 | (6,250) | 100,000 |
Reimbursements from Tonogold |  | 84,944 | 0 | 234,944 | 0
Termination of Tonogold option agreement |  | 0 | 2,200,000 | 0 | 2,200,000
Final settlement of outstanding amounts due |  | 144,473 | 0 | 144,473 | 0
All other |  | 3,673 | 2,136 | 6,175 | 17,864
Other income |  | 1,347,738 | 1,358,868 | 3,522,192 | 1,111,338
Total other income (expense), net |  | 18,811,634 | 1,179,280 | 22,257,226 | 288,706
Senior Secured Debenture (GF Comstock 2) - 11% interest, due Dec 2020 |  |  |  |  |
Other Non Operating, Income And Expense [Line Items] |  |  |  |  |
Loss on early retirement of GF Comstock debenture | $ (51,000) | $ (51,433) | $ 0 | $ (51,433) | $ 0

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