v3.20.1

Other Income (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Technology licensing income | $ 12,194,800 | $ 0
Gain on divestiture | 3,655,000 | 0
Total other income | 15,849,800 | 0
Disposal Group, Disposed of by Sale, Not Discontinued Operations |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Gain on divestiture | $ 3,655,000 | $ 0

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