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LIQUIDITY (Details) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Aug. 31, 2020 | Dec. 31, 2021 | Dec. 31, 2020
Cash balances |  | $ 115,293 | $ 50,315
Issuance of common stock, net |  | $ 84,142 | 63,614
Lithium mineral leases eliminated | $ 200 |  |
Cantor | Controlled Equity Offering Sales Agreement |  |  |
Number of common stock issued |  | 10,000,000.0 |
Issuance of common stock, net |  | $ 49,500 |
Lincoln Park | 2020 Lincoln Park PA |  |  |
Number of common stock issued |  | 6,100,000 |
Issuance of common stock, net |  | $ 34,600 |
Amount available for future sales |  | $ 47,700 |
Registered share available for future sales |  | 9,700,252 |
enCore |  |  |
Elimination of bonding liability |  |  | 9,300
Elimination of asset retirement obligations |  |  | 5,200
Annual expenditures related to reclamation and compliance costs |  |  | 4,000
Common stock received and royalty interest retained |  |  | $ 1,800

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