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LONG-TERM DEBT (Details 1) (Warrant [Member], USD $)
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3 Months Ended | |
|---|---|---|
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Mar. 31, 2014
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Mar. 31, 2013
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Warrant [Member]
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| Share price | $ 13.40 | $ 4.30 |
| Risk-free interest rate | 1.32% | 0.77% |
| Dividend yield | 0.00% | 0.00% |
| Expected volatility | 51.79% | 56.00% |
| Expected term | 4 years | 5 years |