v3.21.2

Stockholders' Equity (Tables) | 9 Months Ended
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Sep. 30, 2021
Stockholders' Equity |
Schedule of information about all warrant activity | ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ |  | Exercise
​ | ​ | No. of Warrants | ​ | price range
December 31, 2020 | ​ | 48,044,381 | ​ | $ | 0.525 – 300.00
Granted | ​ | 1,168,088 | ​ | $ | 1.70 - 2.125
Exercised | ​ | (11,223,529) | ​ | $ | 1.70 - 2.125
Expired | ​ | (278) | ​ | $ | 300.00
September 30, 2021 | ​ | 37,988,662 | ​ | $ | 0.525 - 6.566
Schedule of fair value of stock options estimated | ​
​ | ​ | ​ | ​ | ​
Share price of the Company’s Common Stock on the grant date: | ​ | $ | 1.26 - 5.01 | ​
Exercise price: | ​ | $ | 1.26 - 5.01 | ​
Expected volatility: | ​ |  | 123 | %
Expected dividend yield: | ​ |  | 0 | %
Annual average risk-free rate: | ​ |  | 0.37 | %
Expected term: | ​ |  | 5.38 | years
Stock options and restricted stock units activity | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | RSUs | ​ | XpresTest RSAs | ​ | Stock options
​ |  | ​ |  | Weighted |  | ​ |  | Weighted |  | ​ |  | Weighted |  | ​ | ​
​ | ​ | ​ | ​ | average | ​ | ​ | ​ | average | ​ | ​ | ​ | average | ​ | Exercise
​ | ​ | No. of | ​ | grant date | ​ | No. of | ​ | grant date | ​ | No. of | ​ | exercise | ​ | price
​ | ​ | RSUs | ​ | fair value | ​ | RSAs | ​ | fair value | ​ | options | ​ | price | ​ | range
Outstanding as of December 31, 2020 | ​ | — | ​ | $ | — | ​ | 28.75 | ​ | $ | 11,390.35 | ​ | 1,353,888 | ​ | $ | 3.82 | ​ | $ | 1.53 - 2,460.00
Granted | ​ | 1,370,167 | ​ | ​ | 1.58 | ​ | 120.00 | ​ | ​ | 5,227.20 | ​ | 1,668,297 | ​ | ​ | 1.56 | ​ | ​ | 1.19 - 1.61
Exercised/Vested | ​ | (427,625) | ​ | ​ | 1.50 | ​ | (141.25) | ​ | ​ | 6,229.35 | ​ | (8,334) | ​ | ​ | 1.53 | ​ | ​ | ​
Forfeited | ​ | — | ​ | ​ | — | ​ | — | ​ | ​ | — | ​ | (183,230) | ​ | ​ | 1.61 | ​ | ​ | ​
Outstanding as of September 30, 2021 | ​ | 942,542 | ​ | $ | 1.61 | ​ | 7.50 | ​ | $ | 9,978.78 | ​ | 2,830,621 | ​ | $ | 2.63 | ​ | $ | 1.19 - 2,460.00
Exercisable as of September 30, 2021 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | 858,905 | ​ | $ | 2.63 | ​ | $ | 1.19 - 2,460.00

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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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- Definition Schedule Of Changes In Warrants Outstanding During Period [Table Text Block]. + References No definition available. + Details
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