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LOANS AND BORROWINGS - Schedule of Debt (Details) - USD ($) $ in Thousands | Sep. 30, 2016 | Dec. 31, 2015
--- | --- | ---
Debt Disclosure [Abstract] |  |
Convertible debentures | $ 3,220 | $ 0
Secured note | 0 | 250
Wyoming Industrial Development Revenue Bond loan | 3,179 | 3,291
Finance leases and other | 0 | 41
Total current loans and borrowings | 6,399 | 3,582
Convertible debentures | 12,881 | 14,624
Secured note | 0 | 224
Wyoming Industrial Development Revenue Bond loan | 11,678 | 14,078
Finance leases and other | 0 | 11
Total long-term loans and borrowings | $ 24,559 | $ 28,937

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