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Short Term Debt - Short Term Debt Interest (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2015
RMB Loan interest    
Interest paid in cash $ 95 $ 228
Amortization of the RMB Warrants discount 31 139
Amortization of RMB deferred financing costs 28 126
Total interest expense related to the RMB Loan $ 154 $ 493