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Convertible Preferred Stock and Stockholders' Equity | 12 Months Ended
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Dec. 31, 2020
Equity [Abstract] |
Convertible Preferred Stock and Stockholders' Equity | NOTE 6 —Convertible Preferred Stock and Stockholders’ Equity On November 2, 2018, the Company amended and restated its previous certificate of incorporation and adjusted its authorized capital stock (par value of $0.001) to consist of 100,000,000 shares of common stock and 5,000,000 shares of preferred stock. Each outstanding share of common stock entitles the holder to one vote of each matter properly submitted to the stockholders of the Company for vote. During the year ended December 31, 2020, no shares of preferred stock have been issued. On April 24, 2019, the Company issued 10,000 shares of common stock to a former employee in exchange for a release of claims and other agreements. On October 15, 2019, the Company issued 666 shares of common stock to a vendor as compensation in exchange for timely completion of services. The following table shows shares of common stock reserved as of:
|  | December 31 |
|  | 2020 |  |  | 2019 |
Shares subject to options to purchase common stock |  |  | 1,443,940 |  |  |  | 2,645,714 |
Unvested restricted stock units |  |  | 2,691,375 |  |  |  | 249,500 |
Shares subject to warrants to purchase common stock |  |  | 29 |  |  |  | 956 |
Shares subject to term debt optional conversion into common stock |  |  | — |  |  |  | 761,186 |
Total |  |  | 4,135,344 |  |  |  | 3,657,356 |

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(e)(1)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 + Details
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