Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Deferred tax assets:
Net operating loss carryforwards	$ 47,752,053	$ 43,308,483
Research and development credits	3,940,199	3,475,341
Deferred revenue	42,802	50,429
Inventory reserve	6,806	6,653
Fixed assets and intangibles	304,019	313,117
Lease liability	366,653	269,147
Other	711,343	211,574
Gross deferred tax assets	54,320,438	48,909,640
Valuation allowance	(53,958,617)	(48,626,925)
Deferred tax assets, net	361,821	282,715
Deferred tax liabilities:
Right of use asset	361,821	257,705
Other		25,010
Total deferred tax liabilities	361,821	282,715
NuvoGen
Deferred tax assets:
Accrued liability	$ 1,196,563	$ 1,274,896