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Fair Value Measurement (Details 2) (Preferred shares, USD $)
|
12 Months Ended |
|---|---|
|
Dec. 31, 2014
|
|
| Quantitative inputs and assumptions | |
| Assets at fair value | 39,484,906 |
|
Discounted cash flow and option pricing method | Significant Unobservable Inputs (Level 3)
|
|
| Unobservable Inputs | |
| Discount Rate | 21.50% |
| Discount for Lack of Marketability ("DLOM") | 9.00% |
| Terminal growth rate | 3.00% |