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Major Customers and Concentration of Credit Risk (Tables)

12 Months Ended

Dec. 31, 2020

Risks and Uncertainties [Abstract]

Schedule of major customers and concentration risks

Customer			2020 Revenue						% of Total Revenue						2019 Revenue						% of Total Revenue						2018 Revenue						% of Total Revenue
ApolloBio			$	—					—		%				$	—					—		%				$	23,000,000					75		%
AstraZeneca			170,587						2						3,194,877						78						6,850,424						23
Advaccine			5,000,000						68						—						—						—						—
Plumbline Life Sciences, Inc.			1,370,396						18						—						—						—						—
All other, including affiliated entities			870,237						12						917,053						22						631,473						2
Total revenue			$	7,411,220					100		%	1			$	4,111,930					100		%				$	30,481,897					100		%

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- Definition

Tabular disclosure of the nature of a concentration, a benchmark to which it is compared, and the percentage that the risk is to the benchmark.

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