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Net Loss Per Share (Tables) | 12 Months Ended
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Dec. 31, 2020
Net Loss per Share [Abstract] |
Schedule of Basic and Diluted Net Loss Per Share | Basic and diluted net loss per share attributable to common stockholders was calculated as follows:
|  | Years ended December 31,
|  | 2019 |  | 2020
Numerator: |  |  |  |  |  |
Net loss |  | $ | (7,830) |  | $ | (8,445)
Dividend on convertible exchangeable preferred shares |  |  | (201) |  |  | (201)
Beneficial conversion feature of Series B preferred stock |  |  | — |  |  | (3,775)
Conversion of Series B preferred stock |  |  | — |  |  | —
Net loss attributable to common shareholders |  | $ | (8,031) |  | $ | (12,421)
Denominator: |  |  |  |  |  |
Weighted-average number of common shares used in loss per share – basic and diluted |  |  | 816,080 |  |  | 3,633,385
Loss per share – basic and diluted |  | $ | (9.84) |  | $ | (3.42)
Schedule of Company's Potential Anti-dilutive Securities | The Company excluded the following potential common shares, presented based on amounts outstanding at each period end, from the computation of diluted net loss per share attributable to common stockholders for the periods indicated because including them would have had an anti-dilutive effect:
|  | December 31, |  | December 31,
|  | 2019 |  | 2020
Stock options |  | 100,278 |  | 602,683
6% convertible exchangeable preferred stock |  | 85 |  | 85
Series A preferred stock |  | 6,600 |  | 6,600
Series B preferred stock |  | — |  | 1,188,725
Common stock warrants |  | 374,525 |  | 4,143,379
Total shares excluded from calculation |  | 481,488 |  | 5,941,472

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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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- 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://fasb.org/us-gaap/role/ref/legacyRef -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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