Carrying value of amounts transferred to third parties for security purposes that are expected to be returned or applied towards payment after one year or beyond the operating cycle, if longer.

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Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.

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The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

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RECLAMATION BOND DEPOSIT (Details) - USD ($)	3 Months Ended	12 Months Ended
RECLAMATION BOND DEPOSIT (Details) - USD ($)	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020
Loss Contingencies [Line Items]
Total reclamation bond deposit	$ 2,696,008	$ 2,695,944		$ 2,695,704
Lexon surety bond cash collateral
Loss Contingencies [Line Items]
Bonding fee, percentage	2.00%	2.00%
Total reclamation bond deposit	$ 2,589,072	$ 2,589,008		2,588,768
Earned interest	89,072	89,009	$ 89,008	$ 88,768
Other \| Lexon surety bond cash collateral
Loss Contingencies [Line Items]
Long-term reclamation liability	6,800,000	6,800,000
Other \| Reclamation Surety Bond with Storey County
Loss Contingencies [Line Items]
Long-term reclamation liability	$ 500,000	$ 500,000