License agreements, research collaborations and development agreements (Details) - USD ($)		12 Months Ended
	Jul. 13, 2020	Dec. 31, 2020	Dec. 31, 2019
License Agreements Research Collaborations And Development Agreements [Line Items]
Revenue from contract		$ 4,214,441	$ 3,498,614
Royalty expense		(68,854)	250,000
Annual future minimum royalty payments due
Settlement fee		$ 350,000
Royalty percentage on sale of products		10.00%
Collaborations Revenue [Member]
License Agreements Research Collaborations And Development Agreements [Line Items]
Revenue from contract		$ 1,342,341	1,325,000
New York State Department of Health and ILUM Health Solutions, LLC [Member]
License Agreements Research Collaborations And Development Agreements [Line Items]
Collaboration revenue receivable over 12 months of the project		$ 1,600,000
Contractual agreement period		15 months
New York State Department of Health and ILUM Health Solutions, LLC [Member] | Collaborations Revenue [Member]
License Agreements Research Collaborations And Development Agreements [Line Items]
Revenue from contract		$ 388,000	$ 1,325,000
OpGen [Member]
License Agreements Research Collaborations And Development Agreements [Line Items]
Contract value		$ 450,000
Qiagen [Member]
License Agreements Research Collaborations And Development Agreements [Line Items]
Contractual agreement period		20 years
Global leading IVD corporation [Member]
License Agreements Research Collaborations And Development Agreements [Line Items]
Contractual agreement period		10 months
Revenue from contract		$ 870,000
Option fees received	$ 1,200,000	$ 550,000