10-Q FAIR VALUE MEASUREMENTS - Schedule of Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation (Details) - USD ($)
|
3 Months Ended |
12 Months Ended |
Mar. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
| Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value, Beginning Balance |
$ 7,255,000
|
$ 5,498,500
|
$ 9,080,000
|
| Total change in fair value recognized in earnings |
|
(418,500)
|
(2,421,117)
|
| Additions |
|
2,175,000
|
7,374,449
|
| Redemption of Tonogold convertible preferred shares |
(6,650,000)
|
0
|
(2,616,000)
|
| Ending balance |
|
7,255,000
|
5,498,500
|
| Tonogold note receivable |
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
| Total change in fair value recognized in earnings |
(605,000)
|
(418,500)
|
(642,997)
|
| Additions |
0
|
2,175,000
|
6,141,497
|
| Tonogold convertible preferred shares |
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
| Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value, Beginning Balance |
7,255,000
|
5,498,500
|
|
| Total change in fair value recognized in earnings |
|
0
|
(2,544,000)
|
| Ending balance |
$ 0
|
$ 7,255,000
|
$ 5,498,500
|