Net Loss per Share (Tables)
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6 Months Ended |
Jun. 30, 2018 |
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| Earnings Per Share [Abstract] |
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| Schedule of Earnings Per Share Continuing Basic and Diluted [Table Text Block] |
The following table sets forth the computation of the Company’s basic and diluted net loss from continuing operations per share and net loss per share for the periods presented: | | | Three Months EndedJune 30, | | Six Months EndedJune 30, | | | | | 2018 | | 2017 | | 2018 | | 2017 | | | Net loss from continuing operations | | $ | (3,354,612) | | $ | (1,347,595) | | $ | (4,391,864) | | $ | (2,474,329) | | | Non-cash dividend | | | 200,000 | | | | | | 200,000 | | | | | | Adjusted net loss from continuing operations for common shareholders | | $ | (3,554,612) | | $ | (1,347,595) | | $ | (4,591,864) | | $ | (2,474,329) | | | Weighted-average common shares used in computing net loss per share, basic and diluted | | | 14,862,974 | | | 9,510,460 | | | 14,729,825 | | | 9,400,339 | | | | | | | | | | | | | | | | | | Net loss per share, basic and diluted | | $ | (0.24) | | $ | (0.14) | | $ | (0.31) | | $ | (0.26) | |
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| Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
| | | Three Months Ended
June 30, | | Six Months Ended
June 30, | | | | | 2018 | | 2017 | | 2018 | | 2017 | | | Net loss | | $ | (7,928,601) | | $ | (2,304,075) | | $ | (12,432,521) | | $ | (4,673,908) | | | Non-cash dividend | | | 200,000 | | | | | | 200,000 | | | | | | Adjusted net loss for common shareholders | | $ | (8,128,601) | | $ | (2,304,075) | | $ | (12,632,521) | | $ | (4,673,908) | | | Weighted-average common shares used in computing net loss per share, basic and diluted | | | 14,862,974 | | | 9,510,460 | | | 14,729,825 | | | 9,400,339 | | | | | | | | | | | | | | | | | | Net loss per share, basic and diluted | | $ | (0.55) | | $ | (0.24) | | $ | (0.86) | | $ | (0.50) | |
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| Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] |
The following securities were excluded from the computation of diluted net loss per share for the periods presented because including them would have been anti-dilutive: | | | Three Months Ended
June 30, | | Six Months Ended
June 30, | | | | | 2018 | | 2017 | | 2018 | | 2017 | | | Stock options (exercise price $0.31 - $4.50 per share) | | | 1,546,072 | | | 500,000 | | | 1,546,072 | | | 500,000 | | | Warrants (exercise price $0.31 - $7.43) | | | 4,646,824 | | | 565,813 | | | 4,646,824 | | | 565,813 | | | Total common stock equivalents | | | 6,192,896 | | | 1,065,813 | | | 6,192,896 | | | 1,065,813 | |
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