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Equity Investments (Details) - USD ($) |  | 9 Months Ended |
--- | --- | --- | ---
Jun. 17, 2021 | Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020
Equity Investment |  |  |  |
Payments to Acquire Equity Method Investments |  | $ 5,112,593 | $ 0 |
Common stock |  | 363,839 |  | $ 352,067
Element 1 Corp. Ardmore Shipping (Bermuda) Limited |  |  |  |
Equity Investment |  |  |  |
Equity Method Investment, Ownership Percentage | 10.00% |  |  |
Payments to Acquire Equity Method Investments | $ 4,000,000.0 |  |  |
Common stock | $ 5,300,000 |  |  |
Common stock, shares issued (in shares) | 581,795 |  |  |
Warrants (in shares) | 286,582 |  |  |
Total investment | $ 9,300,000 |  |  |
Percentage of voting right | 20.00% |  |  |
Element 1 Corp And Maritime Partners LLC |  |  |  |
Equity Investment |  |  |  |
Equity Method Investment, Ownership Percentage | 33.33% |  |  |
Income (loss) in equity investments | $ 50,000.00 |  |  |
Equity Investment | $ 10,400,000 |  |  |
E1 |  |  |  |
Equity Investment |  |  |  |
Equity Investment |  | 9,900,000 |  |
e1 Marine LLC |  |  |  |
Equity Investment |  |  |  |
Equity Investment |  | $ 500,000 |  |

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- Definition Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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