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Consolidated Statements of Stockholders' Equity (Parenthetical) - USD ($) | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Public offering |  |
Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs |  | $ 103,000
Private Placement |  |
Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs | $ 914,200 |
Class C convertible preferred stock |  |
Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs | $ 7,700,000 |

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