CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Statement of Comprehensive Income [Abstract]
Net Loss	$ (6,892,545)	$ (10,292,183)	$ (14,876,283)	$ (18,970,530)
Unrealized Loss on Available-for-Sale Debt Instrument Investments	(5,701)	11,426	(12,411)	4,265
Foreign Currency Translation Adjustments	536	236	6,147	144
Comprehensive Loss	$ (6,897,710)	$ (10,280,521)	$ (14,882,547)	$ (18,966,121)