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Schedule of Debt (Details) - USD ($) $ in Thousands | Mar. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Secured note | $ 0 | $ 250
Wyoming Industrial Development Revenue Bond Loan Current | 3,271 | 3,291
Finance leases and other Current | 38 | 41
Current portion of loans and borrowings | 3,309 | 3,582
Convertible debentures | 16,198 | 14,624
Secured note | 0 | 224
Wyoming Industrial Development Revenue Bond Loan Noncurrent | 13,108 | 14,078
Finance leases and other Noncurrent | 0 | 11
Total long-term loans and borrowings | $ 29,306 | $ 28,937

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