Commitments (Details Textual)		3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2018 USD ($) Product	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2018 USD ($) Product	Sep. 30, 2017 USD ($)	Dec. 31, 2017 USD ($)
Other Commitments [Line Items]
Operating lease description				The Company leases a facility in Gaithersburg, Maryland under an operating lease that expires January 31, 2021, with one additional five-year renewal at the Company’s election. The Company also leases a facility in Woburn, Massachusetts under an operating lease that expires January 30, 2022. Additionally, the Company leases office space in Denmark; this lease is currently on a month-to-month basis.
Operating leases, rent expense, net, total		$ 248,580	$ 238,791	$ 750,872	$ 710,330
Capital leases description				The Company leases computer equipment, office furniture, and equipment under various capital leases. The leases expire at various dates through 2021. The leases require monthly principal and interest payments.
Capital leases expiration date description				The leases expire at various dates through 2021.
Restructuring benefits recognized						$ 121,000
Retention expense incurred						$ 68,000
Designated service period of employees, description				The service periods ended in December 2017
QuantStudio 5 Real-Time PCR Systems [Member] | Life Technologies Corporation Supply Agreement [Member]
Other Commitments [Line Items]
Number of products acquired | Product	13			9
Committed to acquire total cost of additional products in next three months	$ 90,000	90,000		$ 90,000
Number of products committed to be acquired | Product				2
Facility in Woburn, Massachusetts [Member]
Other Commitments [Line Items]
Future minimum operating lease payments	$ 1,500,000	$ 1,500,000		$ 1,500,000
Facility in Woburn, Massachusetts [Member] | AdvanDx [Member]
Other Commitments [Line Items]
Operating leases expiration date				Jan. 30, 2022
Gaithersburg, Maryland Office Lease [Member]
Other Commitments [Line Items]
Operating leases expiration date				Jan. 31, 2021
Operating leases additional term	5 years	5 years		5 years