Financial Statements Schedule I - Condensed Statements of Operations and Comprehensive Loss (Details) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
|
| Operating expenses: | |||
| General and administrative | $ (12,049,518) | $ (6,380,144) | $ (2,762,292) |
| Loss from operations | (51,391,036) | (38,529,301) | (16,349,437) |
| Interest income | 527,351 | 403,266 | 5,005 |
| Changes in fair value of warrants | 200,000 | (1,920,000) | (1,980,000) |
| Equity in loss of subsidiaries | (249,652) | ||
| Other income | 933,158 | 2,533,966 | 341,112 |
| Loss before income tax | (50,384,176) | (37,512,212) | (18,021,737) |
| Income tax expense | 0 | ||
| Net loss attributable to ordinary shareholders | (50,384,176) | (37,512,212) | (18,021,737) |
| Net loss | (50,384,176) | (37,512,212) | (18,021,737) |
| Foreign currency translation adjustments | 1,148,440 | (594,912) | (98,893) |
| Comprehensive loss | (49,235,736) | (38,107,124) | (18,120,630) |
| Parent Company | |||
| Operating expenses: | |||
| General and administrative | (4,114,144) | (534,660) | (56,806) |
| Loss from operations | (4,114,144) | (534,660) | (56,806) |
| Interest income | 50,060 | ||
| Changes in fair value of warrants | 200,000 | (1,920,000) | (1,980,000) |
| Equity in loss of subsidiaries | (46,598,092) | (35,057,552) | (15,984,931) |
| Other income | 78,000 | ||
| Loss before income tax | (50,384,176) | (37,512,212) | (18,021,737) |
| Net loss attributable to ordinary shareholders | (50,384,176) | (37,512,212) | (18,021,737) |
| Net loss | (50,384,176) | (37,512,212) | (18,021,737) |
| Foreign currency translation adjustments | 1,148,440 | (594,912) | (98,893) |
| Comprehensive loss | $ (49,235,736) | $ (38,107,124) | $ (18,120,630) |