Organization and Summary of Significant Accounting Policies - Research and Development Costs (Details) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Accounting Policies [Abstract]
Outside contracted services	$ 613,790	$ 585,487
Contracted services - related party	0	389,473
Personnel related costs	123,638	94,762
Facilities, overhead and other	18,025	12,121
Research and development expense, related party, net	$ 755,453	$ 1,081,843