License agreements, research collaborations and development agreements (Details) - USD ($)	1 Months Ended	10 Months Ended	12 Months Ended
	Apr. 30, 2021	Jul. 13, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Apr. 30, 2020
License Agreements Research Collaborations And Development Agreements [Line Items]
Revenue from contract			$ 4,306,031	$ 4,214,441
Collaborations Revenue [Member]
License Agreements Research Collaborations And Development Agreements [Line Items]
Revenue from contract			$ 836,152	1,342,341
FISH License [Member]
License Agreements Research Collaborations And Development Agreements [Line Items]
Termination date of agreement			Oct. 30, 2020
Exit date of agreement			Jun. 30, 2021
Royalty expense			$ 11,721	(68,854)
Settlement fee			$ 350,000
Royalty percentage on sale of products			10.00%
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 15 months of the project			$ 1,600,000
Contractual agreement period			15 months
Extended term of collaboration agreement	6 months
Termination date of agreement	Sep. 30, 2021
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			$ 558,000	388,000
OpGen [Member]
License Agreements Research Collaborations And Development Agreements [Line Items]
Contract value	$ 540,000					$ 450,000
Sandoz [Member]
License Agreements Research Collaborations And Development Agreements [Line Items]
Contractual agreement period			36 months
Termination date of agreement			Jan. 31, 2025
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
Termination date of agreement			Jul. 13, 2020
Revenue from contract		$ 1,200,000	$ 0	870,000
Option fees received					$ 550,000
Siemens [Member]
License Agreements Research Collaborations And Development Agreements [Line Items]
Royalty expense			$ 146,375	$ 2,775
Siemens [Member] | Minimum [Member]
License Agreements Research Collaborations And Development Agreements [Line Items]
Royalty rate			1.30%
Siemens [Member] | Maximum [Member]
License Agreements Research Collaborations And Development Agreements [Line Items]
Royalty rate			40.00%