10-Q SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) - USD ($)
|
3 Months Ended |
12 Months Ended |
|
|
|
Mar. 31, 2022 |
Mar. 31, 2021 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 30, 2021 |
Sep. 07, 2021 |
Jul. 23, 2021 |
| Property, Plant and Equipment [Line Items] |
|
|
|
|
|
|
|
| Accumulated deficit |
$ (251,921,243)
|
|
$ (245,542,688)
|
$ (220,959,068)
|
|
|
|
| Net income (loss) attributable to Comstock Mining Inc. |
(6,378,555)
|
$ 8,188,231
|
(24,583,620)
|
14,931,970
|
|
|
|
| Increase in cash, cash equivalents and restricted cash |
(3,663,181)
|
$ 7,862,865
|
3,480,244
|
1,416,087
|
|
|
|
| Cash and cash equivalents |
$ 2,249,007
|
|
$ 5,912,188
|
$ 2,431,944
|
|
|
|
| LINICO Corporation |
|
|
|
|
|
|
|
| Property, Plant and Equipment [Line Items] |
|
|
|
|
|
|
|
| Percentage of voting interests acquired |
90.00%
|
|
90.00%
|
|
90.00%
|
|
|
| Plain Sight Innovations Corporation |
|
|
|
|
|
|
|
| Property, Plant and Equipment [Line Items] |
|
|
|
|
|
|
|
| Percentage of voting interests acquired |
100.00%
|
|
100.00%
|
|
|
100.00%
|
|
| Renewable Process Solutions, Inc. |
|
|
|
|
|
|
|
| Property, Plant and Equipment [Line Items] |
|
|
|
|
|
|
|
| Percentage of voting interests acquired |
100.00%
|
|
100.00%
|
|
|
|
|
| MANA Corporation |
|
|
|
|
|
|
|
| Property, Plant and Equipment [Line Items] |
|
|
|
|
|
|
|
| Percentage of voting interests acquired |
100.00%
|
|
100.00%
|
|
|
|
100.00%
|
| LINICO Corporation |
|
|
|
|
|
|
|
| Property, Plant and Equipment [Line Items] |
|
|
|
|
|
|
|
| Ownership interest percentage |
|
|
100.00%
|
|
|
|
|
| Quantum Generative Materials LLC |
|
|
|
|
|
|
|
| Property, Plant and Equipment [Line Items] |
|
|
|
|
|
|
|
| Ownership interest percentage |
48.19%
|
|
48.19%
|
0.00%
|
|
|
|