Convertible Loan	3 Months Ended
Mar. 31, 2017
Debt Disclosure [Abstract]
Convertible Loan	7. CONVERTIBLE LOAN On November 13, 2013, the Company entered into a loan agreement (the “RCF Loan”) with Resource Capital Fund V L.P. (“RCF”), whereby RCF agreed, subject to the terms and conditions set forth in the RCF Loan, to provide a secured convertible loan facility of up to $15.0 million to the Company, which was subsequently amended on April 29, 2014 to reduce the amount available thereunder from $15.0 million to $8.0 million. The Company exchanged $2.5 million in principal for its common shares in December 2016 and repaid the remaining $5.5 million outstanding under the RCF Loan on February 9, 2017. No further obligations remain under the RCF Loan following the repayment. The Company and RCF remain party to the Stockholders’ Agreement dated March 1, 2012, pursuant to which RCF has the right to participate in equity offerings by the Company, in order to maintain its pro rata ownership of the Company’s common stock. Based on the Schedule 13D/A filed by RCF on March 3, 2017, RCF and its affiliates beneficially owned approximately 2.9% of the Company’s outstanding common stock as of April 13, 2017. As a result of the repayment, the Company recorded a loss of $39,000 on the extinguishment of debt which represented the difference between the principal amount of $5.5 million and the carrying value of the RCF Loan on the date of repayment.

Convertible Loan

3 Months Ended

Mar. 31, 2017

7. CONVERTIBLE LOAN

On November 13, 2013, the Company entered into a loan agreement (the “RCF Loan”) with Resource Capital Fund V L.P. (“RCF”), whereby RCF agreed, subject to the terms and conditions set forth in the RCF Loan, to provide a secured convertible loan facility of up to $15.0 million to the Company, which was subsequently amended on April 29, 2014 to reduce the amount available thereunder from $15.0 million to $8.0 million. The Company exchanged $2.5 million in principal for its common shares in December 2016 and repaid the remaining $5.5 million outstanding under the RCF Loan on February 9, 2017. No further obligations remain under the RCF Loan following the repayment. The Company and RCF remain party to the Stockholders’ Agreement dated March 1, 2012, pursuant to which RCF has the right to participate in equity offerings by the Company, in order to maintain its pro rata ownership of the Company’s common stock. Based on the Schedule 13D/A filed by RCF on March 3, 2017, RCF and its affiliates beneficially owned approximately 2.9% of the Company’s outstanding common stock as of April 13, 2017.

As a result of the repayment, the Company recorded a loss of $39,000 on the extinguishment of debt which represented the difference between the principal amount of $5.5 million and the carrying value of the RCF Loan on the date of repayment.