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The Company and Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2020
Accounting Policies [Abstract] |
Schedule of Antidilutive Securities Excluded from Computation of Diluted Net Loss Per Share | The following table sets forth securities outstanding which were excluded from the computation of diluted net loss per share as their inclusion would be anti-dilutive (in thousands):
|  | December 31, |
|  | 2020 |  |  | 2019 |
Options to purchase common stock |  |  | 159 |  |  |  | 161 |
Unvested restricted common stock units |  |  | 65 |  |  |  | 103 |
Convertible debt |  |  | 271 |  |  |  | 254 |
Warrants |  |  | 1,879 |  |  |  | 1,994 |
Total |  |  | 2,374 |  |  |  | 2,512 |

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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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