Organization and Summary of Significant Accounting Policies - Research and Development Costs (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Accounting Policies [Abstract]
Outside contracted services	$ 846,564	$ 730,190	$ 2,431,200	$ 1,974,176
Contracted services - related party	0	101,849	0	827,632
Personnel related costs	131,553	95,269	394,706	312,321
Facilities, overhead and other	7,937	15,884	31,764	65,456
Research and development expense, related party, net	$ 986,054	$ 943,192	$ 2,857,670	$ 3,179,585