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LIQUIDITY (Details) - USD ($) $ in Thousands, shares in Millions |  | 1 Months Ended | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 01, 2020 | Oct. 31, 2020 | Aug. 31, 2020 | Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019 | Dec. 31, 2019 | Dec. 31, 2018
Capital expenditures to commercial plants |  |  |  | $ 120,000 |  | $ 120,000 |  |  |
Asset retirement obligations |  |  |  | 5,969 |  | 5,969 |  | $ 6,300 | $ 6,203
Exploration and evaluation costs, amounts spent |  |  |  | 12 | $ 12 | 18 | $ 77 |  |
Cash balances |  |  |  | 5,480 | $ 716 | 5,480 | 716 | $ 1,870 |
Issuance of common stock, net |  |  |  |  |  | 13,530 | $ 2,628 |  |
Subsequent Event |  |  |  |  |  |  |  |  |
Cash balances |  | $ 53,300 |  |  |  |  |  |  |
Issuance of common stock, net |  | 50,200 |  |  |  |  |  |  |
Uranium plant | Texas |  |  |  |  |  |  |  |  |
Amount of expenditures |  |  |  |  |  | 3,500 |  |  |
Reclamation performance obligation bonds |  |  |  | 9,300 |  | 9,300 |  |  |
Asset retirement obligations |  |  |  | $ 6,000 |  | $ 6,000 |  |  |
Uranium plant | Texas | Minimum |  |  |  |  |  |  |  |  |
Term of reclamation activities |  |  |  |  |  | 4 years |  |  |
Uranium plant | Texas | Maximum |  |  |  |  |  |  |  |  |
Term of reclamation activities |  |  |  |  |  | 5 years |  |  |
Uranium plant | Mexico | Minimum |  |  |  |  |  |  |  |  |
Exploration and evaluation costs, amounts spent |  |  |  |  |  | $ 500 |  |  |
Uranium plant | Mexico | Maximum |  |  |  |  |  |  |  |  |
Exploration and evaluation costs, amounts spent |  |  |  |  |  | $ 1,000 |  |  |
Controlled Equity Offering Sales Agreement and Purchase Agreement | Subsequent Event |  |  |  |  |  |  |  |  |
Issuance of common stock, net |  | 50,200 |  |  |  |  |  |  |
Lithium Holdings In Utah And Nevada |  |  |  |  |  |  |  |  |
Annual rentals due |  |  | $ 200 |  |  |  |  |  |
Cantor and Lincoln Park | Controlled Equity Offering Sales Agreement and Purchase Agreement | Subsequent Event |  |  |  |  |  |  |  |  |
Cash balances |  | $ 53,300 |  |  |  |  |  |  |
Number of common stock issued |  | 8.5 |  |  |  |  |  |  |
EnCore Energy Corp | Letter of Intent (LOI) |  |  |  |  |  |  |  |  |
Elimination of bonding liability | $ 9,300 |  |  |  |  |  |  |  |
Elimination of assets retirement obligation | 6,000 |  |  |  |  |  |  |  |
Elimination of reclamation and compliance costs | 4,000 |  |  |  |  |  |  |  |
Pending sale, Common stock received | $ 2,000 |  |  |  |  |  |  |  |

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