|
Intangible Assets, Net (Details) (USD $)
|
12 Months Ended |
1 Months Ended |
|
Dec. 31, 2014
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
|
Mar. 31, 2014
|
| Intangible Assets, Net |
|
|
|
|
|
| Intangible assets subject to amortization, gross |
$ 276,762,319 |
$ 273,109,420 |
|
|
|
| Intangible assets subject to amortization, net |
119,599,586 |
140,449,143 |
|
|
|
| Total intangible assets, net |
120,380,671 |
141,231,750 |
|
|
|
| Weighted Average Amortization Periods |
9 years 6 months 18 days |
|
|
|
|
| Amortization amount |
52,922 |
935,177 |
1,882,804 |
|
|
| Amortization expense |
24,677,508 |
37,009,330 |
38,701,651 |
|
|
| Amortization expense expected to be recorded |
|
|
|
|
|
| 2015 |
16,648,450 |
|
|
|
|
| 2016 |
14,183,003 |
|
|
|
|
| 2017 |
13,932,242 |
|
|
|
|
| 2018 |
12,813,362 |
|
|
|
|
| 2019 |
11,936,725 |
|
|
|
|
| Advertising agency agreement with SINA |
|
|
|
|
|
| Intangible Assets, Net |
|
|
|
|
|
| Intangible assets subject to amortization, gross |
106,790,000 |
106,790,000 |
|
|
|
| Less: Accumulated amortization |
(51,286,533) |
(44,495,832) |
|
|
|
| Weighted Average Amortization Periods |
9 years 9 months |
|
|
|
|
| License agreements with SINA |
|
|
|
|
|
| Intangible Assets, Net |
|
|
|
|
|
| Intangible assets subject to amortization, gross |
80,660,000 |
80,660,000 |
|
|
|
| Less: Accumulated amortization |
(39,377,764) |
(34,280,500) |
|
|
|
| Weighted Average Amortization Periods |
9 years 9 months |
|
|
|
|
| Exclusive rights with Baidu |
|
|
|
|
|
| Intangible Assets, Net |
|
|
|
|
|
| Intangible assets subject to amortization, gross |
45,151,494 |
45,315,329 |
|
|
|
| Less: Accumulated amortization |
(43,034,803) |
(34,693,471) |
|
|
|
| Weighted Average Amortization Periods |
3 months |
|
|
|
|
| Purchase price of intangible assets |
|
|
|
47,612,100 |
|
| Fair value of intangible assets |
|
|
|
43,847,992 |
|
| Difference between fair value and principal amount |
|
|
|
3,764,108 |
|
| Payment to acquire exclusive rights |
9,004,710 |
15,347,915 |
14,249,180 |
|
|
| Amortization amount |
52,922 |
935,177 |
1,882,804 |
|
|
| Customer relationship |
|
|
|
|
|
| Intangible Assets, Net |
|
|
|
|
|
| Intangible assets subject to amortization, gross |
12,084,676 |
12,100,847 |
|
|
|
| Less: Accumulated amortization |
(8,086,039) |
(6,464,705) |
|
|
|
| Weighted Average Amortization Periods |
5 years 1 month 17 days |
|
|
|
|
| Database Rights [Member] |
|
|
|
|
|
| Intangible Assets, Net |
|
|
|
|
|
| Intangible assets subject to amortization, gross |
8,300,000 |
8,300,000 |
|
|
|
| Less: Accumulated amortization |
(5,126,472) |
(4,150,001) |
|
|
|
| Weighted Average Amortization Periods |
3 years 3 months |
|
|
|
|
| Favorable lease term |
|
|
|
|
|
| Intangible Assets, Net |
|
|
|
|
|
| Intangible assets subject to amortization, gross |
9,541,891 |
9,541,891 |
|
|
|
| Less: Accumulated amortization |
(1,167,905) |
(637,435) |
|
|
|
| Weighted Average Amortization Periods |
16 years 11 months 12 days |
|
|
|
|
| Computer software licenses |
|
|
|
|
|
| Intangible Assets, Net |
|
|
|
|
|
| Intangible assets subject to amortization, gross |
9,534,433 |
5,708,188 |
|
|
|
| Less: Accumulated amortization |
(4,784,950) |
(3,963,457) |
|
|
|
| Weighted Average Amortization Periods |
4 years 10 months 17 days |
|
|
|
|
| Non-compete agreements |
|
|
|
|
|
| Intangible Assets, Net |
|
|
|
|
|
| Intangible assets subject to amortization, gross |
3,415,152 |
3,420,712 |
|
|
|
| Less: Accumulated amortization |
(3,349,230) |
(3,097,470) |
|
|
|
| Weighted Average Amortization Periods |
9 months |
|
|
|
|
| Customer contracts |
|
|
|
|
|
| Intangible Assets, Net |
|
|
|
|
|
| Intangible assets subject to amortization, gross |
1,054,964 |
1,057,842 |
|
|
|
| Less: Accumulated amortization |
(871,174) |
(832,950) |
|
|
|
| Weighted Average Amortization Periods |
4 years 11 months 9 days |
|
|
|
|
| Domain name |
|
|
|
|
|
| Intangible Assets, Net |
|
|
|
|
|
| Intangible assets subject to amortization, gross |
229,709 |
214,611 |
|
|
|
| Less: Accumulated amortization |
(77,863) |
(44,456) |
|
|
|
| Weighted Average Amortization Periods |
4 years 8 months 5 days |
|
|
|
|
| SINA | Advertising agency agreement and license agreements |
|
|
|
|
|
| Intangible Assets, Net |
|
|
|
|
|
| Additional extension of agreement period |
|
|
|
|
5 years |
| Percentage of revenue fee on sales |
|
|
|
|
15.00% |
| Trademark |
|
|
|
|
|
| Intangible Assets, Net |
|
|
|
|
|
| Intangible assets not subject to amortization |
$ 781,085 |
$ 782,607 |
|
|
|