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Loss Per Share (Tables) | 9 Months Ended
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Sep. 30, 2017
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  |  | Three months ended September 30, |  |  | Nine months ended September 30, |
|  |  | 2016 |  |  | 2017 |  |  | 2016 |  |  | 2017 |
| Net loss | $ | (5,947,722 | ) | $ | (4,202,753 | ) | $ | (10,519,521 | ) | $ | (10,024,349 | )
| Weighted average shares used in basic and diluted computation (note) |  | 17,339,426 |  |  | 26,334,918 |  |  | 17,284,632 |  |  | 22,174,315 |
| Loss per share | $ | (0.34 | ) | $ | (0.16 | ) | $ | (0.61 | ) | $ | (0.45 | )

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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Period Type: | duration