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SUPPLEMENTAL FINANCIAL INFORMATION (Tables) | 3 Months Ended
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Mar. 31, 2016
Schedules of Components of Revenues [Table Text Block] |
|  | Three months ended |
|  | March 31, |
|  | 2016 |  |  | 2015 |
Uranium concentrates | $ | 17,978 |  | $ | 6,995 |
Alternate feed materials processing and other |  | 18 |  |  | 605 |
Revenues | $ | 17,996 |  | $ | 7,600 |
Schedule of Other Nonoperating Income (Expense) [Table Text Block] |
|  | Three months ended |
|  | March 31, |
|  | 2016 |  |  | 2015 |
Interest income | $ | 20 |  | $ | 22 |
Change in value of investments accounted at fair value |  | 69 |  |  | (76 | )
Change in value of warrant liabilities |  | 253 |  |  | - |
Change in value of convertible debentures |  | (561 | ) |  | 709 |
Other |  | 307 |  |  | 395 |
Other income (expense) | $ | 88 |  | $ | 1,050 |

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- Definition Schedules of Components of Revenues + References No definition available. + Details
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- Definition Tabular disclosure of the components of non-operating income or non-operating expense that may include amounts earned from dividends, interest on securities, gains (losses) on securities sold, equity earnings of unconsolidated affiliates, net gain (loss) on sales of business, interest expense and other miscellaneous income or expense items. + References No definition available. + Details
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