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Long Term Debt - Long Term Debt Interest Cost RMB Loan (Details) (USD $) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
Debt Disclosure [Abstract] |  |  |  |
Interest paid in cash | $ 48,000 | $ 8,000 | $ 118,000 | $ 8,000
Amortization of the RMB Warrants discount | 55,000 | 23,000 | 163,000 | 23,000
Amortization of RMB deferred financing costs | 49,000 | 21,000 | 147,000 | 21,000
Total interest expense related to the RMB Loan | $ 152,000 | $ 52,000 | $ 428,000 | $ 52,000

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