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Major Customers and Concentration of Credit Risk (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Concentration Risk [Line Items]
Revenue	$ 40,572,111	$ 10,456,766	$ 13,467,346
Revenue | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage	100.00%	100.00%	100.00%
MedImmune
Concentration Risk [Line Items]
Revenue	$ 16,037,731	$ 0	$ 0
Accounts receivable	$ 1,500,000
MedImmune | Revenue | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage	40.00%	0.00%	0.00%
MedImmune | Accounts Receivable | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage	20.00%
DARPA
Concentration Risk [Line Items]
Revenue	$ 11,582,623	$ 123,605	$ 0
Accounts receivable	$ 4,000,000
DARPA | Revenue | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage	28.00%	1.00%	0.00%
DARPA | Accounts Receivable | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage	54.00%
Roche
Concentration Risk [Line Items]
Revenue	$ 10,778,688	$ 7,357,346	$ 9,181,759
Accounts receivable	$ 1,600,000	$ 2,300,000
Roche | Revenue | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage	27.00%	70.00%	68.00%
Roche | Accounts Receivable | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage	22.00%	82.00%
NIAID
Concentration Risk [Line Items]
Revenue	$ 901,475	$ 1,229,084	$ 2,090,939
Accounts receivable		$ 190,000
NIAID | Revenue | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage	2.00%	12.00%	16.00%
NIAID | Accounts Receivable | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage		7.00%
GeneOne (affiliated entity)
Concentration Risk [Line Items]
Revenue	$ 450,000	$ 479,464	$ 425,000
GeneOne (affiliated entity) | Revenue | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage	1.00%	5.00%	3.00%
All other
Concentration Risk [Line Items]
Revenue	$ 821,594	$ 1,267,267	$ 1,769,648
All other | Revenue | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk, percentage	2.00%	12.00%	13.00%

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For an unclassified balance sheet, the amount due from customers or clients for goods or services that have been delivered or sold in the normal course of business, reduced to their estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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