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LICENSE AGREEMENT (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
LICENSE AGREEMENT |  |  |
Fees | $ 44,854,100 | $ 27,659,223 | $ 23,052,900
Royalty expense to shareholder |  |  |
LICENSE AGREEMENT |  |  |
Fees | $ 5,476,306 | 3,449,822 | 2,944,102
Licensing Agreements |  |  |
LICENSE AGREEMENT |  |  |
Royalty percentage on sales | 5.00% |  |
Royalty percentage on sales of sublicense | 50.00% |  |
Royalty payable under the license agreement | $ 1,973,781 | 921,445 |
Gross sales upon which royalties are based | $ 109,526,118 | $ 67,529,783 | $ 58,882,042

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