|
Summary of Principal Accounting Policies (Detail 3) (USD $)
|
Dec. 31, 2014
|
Dec. 31, 2013
|
|---|---|---|
| Restricted cash | ||
| Bank deposits as collateral | $ 38,290,478 | $ 0 |
| Restricted cash accounts | 40,401,864 | 2,310,116 |
| Secondary real estate brokerage services | ||
| Restricted cash | ||
| Restricted cash accounts | 1,947,961 | 2,146,098 |
| Primary real estate agency services | ||
| Restricted cash | ||
| Restricted cash accounts | $ 163,425 | $ 164,018 |