Income Taxes (Schedule of Deferred Income Tax Assets and Liabilities) (Details) - USD ($)	Dec. 31, 2022	Dec. 31, 2021
Assets:
Accruals not currently deductible	$ 9,778,184	$ 12,823,493
Research and development costs	58,501,232	49,099,538
Stock based compensation	14,670,250	13,707,737
Other	4,722,513	2,118,484
Total deferred income tax assets	87,672,179	77,749,252
Liabilities:
Excess tax over book depreciation	(3,460,485)	(20,728,577)
Goodwill	(42,580,026)	(37,999,022)
Intangible assets	(13,268,772)	(11,718,904)
Other	(2,834,196)	(2,507,071)
Total deferred income tax liabilities	(62,143,479)	(72,953,574)
Net deferred income taxes	25,528,700	$ 4,795,678
Patent, and Other Assets, Net
Liabilities:
Net deferred income taxes	$ 25,528,700