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Income Tax (Tables) | 12 Months Ended
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Dec. 31, 2017
Income Tax Disclosure [Abstract] |
Schedule of Loss Before Income Taxes | Loss before income taxes consists of:
|  | Year ended December 31, |
|  | 2015 |  |  | 2016 |  |  | 2017 |
|  | $ |  |  | $ |  |  | $ |
Cayman |  |  | 2,036,806 |  |  |  | 2,454,660 |  |  |  | 3,886,673 |
BVI |  |  | — |  |  |  | — |  |  |  | 8,375 |
PRC |  |  | 4,938,688 |  |  |  | 26,111,094 |  |  |  | 40,971,742 |
HK |  |  | 9,869,007 |  |  |  | 8,010,908 |  |  |  | 6,240,462 |
AUST |  |  | 1,177,236 |  |  |  | 935,550 |  |  |  | (723,076 | )
|  |  | 18,021,737 |  |  |  | 37,512,212 |  |  |  | 50,384,176 |
Schedule of Reconciliations of PRC Statutory Income Tax Rate and Group's Effective Income Tax Rate | Reconciliations of the differences between the PRC statutory income tax rate and the Group’s effective income tax rate for the years ended December 31, 2015, 2016 and 2017 are as follows:
|  | Year ended December 31, |
|  | 2015 |  |  | 2016 |  |  | 2017 |
|  | $ |  |  | $ |  |  | $ |
Statutory income tax rate |  |  | 25 | % |  |  | 25 | % |  |  | 25 | %
Share-based compensations |  |  | (3.68 | %) |  |  | (2.92 | %) |  |  | (3.27 | %)
Non-deductible expenses |  |  | (7.19 | %) |  |  | (1.59 | %) |  |  | (0.79 | %)
Effect of different tax rate of subsidiary operation in other jurisdictions |  |  | (7.15 | %) |  |  | (3.33 | %) |  |  | (3.06 | %)
Changes in valuation allowance |  |  | (6.98 | %) |  |  | (17.16 | %) |  |  | (17.88 | %)
Effective income tax rate |  |  | — |  |  |  | — |  |  |  | — |
Schedule of Components of Deferred Tax Assets and Liabilities | The principal components of the deferred tax assets and liabilities are as follows:
|  | Year ended December 31, |
|  | 2015 |  |  | 2016 |  |  | 2017 |
|  | $ |  |  | $ |  |  | $ |
Deferred tax assets: |  |  |  |  |  |  |  |  |  |  |  |
Depreciation of property and equipment, net |  |  | 2,415 |  |  |  | 3,892 |  |  |  | 5,964 |
Accrued expenses |  |  | 72,408 |  |  |  | — |  |  |  | — |
Government grants |  |  | 16,025 |  |  |  | 166,336 |  |  |  | 187,762 |
Net operating loss forwards |  |  | 1,729,009 |  |  |  | 8,086,361 |  |  |  | 17,075,387 |
Less: valuation allowance |  |  | (1,819,857 | ) |  |  | (8,256,589 | ) |  |  | (17,269,113 | )
Deferred tax assets, net |  |  | — |  |  |  | — |  |  |  | — |
Schedule of Movement of Valuation Allowance | Movement of the valuation allowance is as follows:
|  | 2016 |  |  | 2017 |
|  | $ |  |  | $ |
Balance as of January 1, |  |  | (1,819,857 | ) |  |  | (8,256,589 | )
Additions |  |  | (6,436,732 | ) |  |  | (9,012,524 | )
Balance as of December 31, |  |  | (8,256,589 | ) |  |  | (17,269,113 | )

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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 + Details
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