Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Revenue
Total revenue	$ 1,009,543	$ 788,901	$ 2,029,720	$ 1,635,127
Operating expenses
Research and development	1,153,584	1,304,388	2,929,966	2,534,817
General and administrative	1,592,845	1,831,063	3,340,430	3,621,585
Sales and marketing	393,567	426,297	765,800	756,070
Impairment of right-of-use asset	0	0	520,759	0
Total operating expenses	3,590,470	4,044,813	8,372,613	7,906,922
Operating loss	(2,580,927)	(3,255,912)	(6,342,893)	(6,271,795)
Other (expense) income
Other income (expense)	15,166	5	(9,256)	5,303
Interest expense	(37,129)	(54,533)	(93,573)	(112,379)
Foreign currency transaction gains (losses)	9,879	(21,762)	(472)	(9,581)
Change in fair value of derivative financial instruments	0	(11)	67	8,155
Total other expense	(12,084)	(76,301)	(103,234)	(108,502)
Loss before income taxes	(2,593,011)	(3,332,213)	(6,446,127)	(6,380,297)
Provision for income taxes	0	0	0	0
Net loss	(2,593,011)	(3,332,213)	(6,446,127)	(6,380,297)
Net loss available to common stockholders	$ (2,593,011)	$ (3,332,213)	$ (6,446,127)	$ (6,380,297)
Net loss per common share - basic and diluted	$ (0.15)	$ (0.57)	$ (0.48)	$ (1.29)
Weighted average shares outstanding - basic and diluted	17,645,720	5,826,947	13,518,648	4,950,517
Net loss	$ (2,593,011)	$ (3,332,213)	$ (6,446,127)	$ (6,380,297)
Other comprehensive (loss) gain - foreign currency translations	(4,950)	18,113	(2,124)	5,534
Comprehensive loss	(2,597,961)	(3,314,100)	(6,448,251)	(6,374,763)
Product [Member]
Revenue
Total revenue	504,293	632,525	1,024,470	1,266,021
Operating expenses
Cost of products and services	198,493	303,663	419,195	646,495
Laboratory Service Revenue [Member]
Revenue
Total revenue	5,250	1,100	5,250	9,790
Collaborations Revenue [Member]
Revenue
Total revenue	500,000	155,276	1,000,000	359,316
Service [Member]
Operating expenses
Cost of products and services	$ 251,981	$ 179,402	$ 396,463	$ 347,955