Related party transactions (Details Textual) - USD ($)	3 Months Ended		9 Months Ended		23 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Oct. 31, 2016
Service [Member]
Related Party Transaction [Line Items]
Cost of services	$ 98,189	$ 49,119	$ 446,144	$ 228,115
Merck Sharp & Dohme Corp [Member]
Related Party Transaction [Line Items]
Research and development agreement description			Under the agreement, MSD provided access to its archive of over 200,000 bacterial pathogens. The Company is initially performing molecular analyses on up to 10,000 pathogens to identify markers of resistance to support rapid decision making using the Acuitas Lighthouse, and to speed development of its rapid diagnostic products. MSD gains access to the high-resolution genotype data for the isolates as well as access to the Acuitas Lighthouse informatics to support internal research and development programs.
Maximum required amount to expend for procurement of materials						$ 175,000
Merck Sharp & Dohme Corp [Member] | Research and Development Expense [Member]
Related Party Transaction [Line Items]
Procurement costs recognized	0	$ 0	$ 22,604	$ 113,907	$ 171,646
ILÚM Health Solutions, LLC [Member] | Subcontractor Agreement | Service [Member]
Related Party Transaction [Line Items]
Cost of services	$ 0		$ 198,665