10-Q NOTES RECEIVABLE AND ADVANCES, NET - Narrative (Details) - USD ($) |
3 Months Ended | 12 Months Ended | ||||
|---|---|---|---|---|---|---|
Jan. 03, 2022 |
Mar. 31, 2022 |
Mar. 31, 2021 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Mar. 26, 2022 |
|
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||||
| Increase (decrease) in value of Tonogold note receivable recognized in loss | $ 605,000 | |||||
| Change in fair value Tonogold note receivable | (605,000) | $ 745,500 | ||||
| Tonogold | ||||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||||
| Tonogold note receivable, face value | $ 6,650,000 | |||||
| Sierra Springs Opportunity Fund, Inc. | ||||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||||
| Payments for advance to affiliate | $ 1,300,000 | $ 1,300,000 | $ 2,150,000 | $ 3,285,000 | $ 1,650,000 | |