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LOANS AND BORROWINGS - Schedule of Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Current portion of loans and borrowings:
Convertible debentures	$ 0	$ 3,095
Wyoming Industrial Development Revenue Bond loan	3,318	3,224
Total current loans and borrowings	3,318	6,319
Long-term loans and borrowings:
Convertible debentures	15,962	12,381
Wyoming Industrial Development Revenue Bond loan	9,172	10,854
Total long-term loans and borrowings	$ 25,134	$ 23,235

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- Definition

The portion of the carrying value of long-term convertible debt as of the balance sheet date that is scheduled to be repaid within one year or in the normal operating cycle if longer. Convertible debt is a financial instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19))
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Carrying value as of the balance sheet date of long-term debt (with maturities initially due after one year or beyond the operating cycle if longer) identified as Convertible Notes Payable, excluding current portion. Convertible Notes Payable is a written promise to pay a note which can be exchanged for a specified amount of another, related security, at the option of the issuer and the holder.

+ References

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Carrying value as of the balance sheet date of portion of long-term loans payable due within one year or the operating cycle if longer.

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-Topic 210
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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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