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Net Loss Per Share | 12 Months Ended
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Dec. 31, 2020
Earnings Per Share [Abstract] |
Earnings Per Share [Text Block] | Net Loss per Share Basic net loss per share is computed by dividing net loss applicable to common shareholders by the weighted-average number of common shares outstanding during the period. For all periods presented, there is no difference in the number of shares used to calculate basic and diluted shares outstanding due to the Company’s net loss position. 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 The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109243012&loc=SL65017193-207537 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -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 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3630-109257 + Details
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