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INCOME TAXES - Schedule of Deferred Income Tax Assets and Liabilities (Details) - USD ($) | Dec. 31, 2023 | Dec. 31, 2022
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Assets: |  |
Accruals not currently deductible | $ 10,989,677 | $ 9,778,184
Research and development costs | 70,252,363 | 58,501,232
Stock based compensation | 15,536,416 | 14,670,250
Excess tax over book depreciation | 7,060,777 | 0
Other | 4,025,082 | 4,722,513
Total deferred income tax assets | 107,864,315 | 87,672,179
Liabilities: |  |
Excess tax over book depreciation | 0 | (3,460,485)
Goodwill | (47,185,855) | (42,580,026)
Intangible assets | (15,235,639) | (13,268,772)
Other | (4,329,062) | (2,834,196)
Total deferred income tax liabilities | (66,750,556) | (62,143,479)
Net deferred income taxes | $ 41,113,759 | $ 25,528,700

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