Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenues:
Contract revenue	$ 292,461	$ 1,060,877	$ 1,137,647	$ 1,700,435
Grant revenue	212,827	484,087	292,195	989,317
Total revenues	505,288	1,544,964	1,429,842	2,689,752
Cost of revenues	(363,339)	(1,086,814)	(1,192,844)	(2,014,738)
Gross profit	141,949	458,150	236,998	675,014
Operating expenses:
Research and development	2,170,045	1,853,950	4,870,216	3,496,668
General and administrative	785,776	769,091	1,654,443	1,643,300
Research and development expense - milestone			5,000,000
Total operating expenses	2,955,821	2,623,041	11,524,659	5,139,968
Loss from operations	(2,813,872)	(2,164,891)	(11,287,661)	(4,464,954)
Foreign currency transaction gain/(loss)	(3,583)	1,519	(26,818)	6,526
Interest income, net	2,017	39,851	23,964	84,604
Research and development incentives	38,675		95,525
Net loss before income taxes	(2,776,763)	(2,123,521)	(11,194,990)	(4,373,824)
Income tax benefit			836,893	610,676
Net loss applicable to common stockholders	$ (2,776,763)	$ (2,123,521)	$ (10,358,097)	$ (3,763,148)
Basic & diluted net loss per share (in Dollars per share)	$ (0.10)	$ (0.12)	$ (0.41)	$ (0.21)
Basic & diluted weighted average common shares outstanding (in Shares)	26,901,781	18,436,894	25,153,350	18,258,932