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Net Loss Per Share (Tables) | 12 Months Ended
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Dec. 31, 2020
Earnings Per Share [Abstract] |
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] | Anti-dilutive common share equivalents excluded from the computation of diluted net loss per share were as follows:
| December 31, |  |
| 2020 |  | 2019 |  |
Preferred shares | 9,355,778 |  |  | 8,443,778 |  |  |
Common share purchase warrants | 2,786,534 |  |  | 205,562 |  |  |
Restricted stock not yet vested or released | — |  |  | 20,798 |  |  |
Options outstanding | 101,175 |  |  | 2,600 |  |  |

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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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