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License agreements, research collaborations and development agreements	6 Months Ended
	Jun. 30, 2018
License Agreements Research Collaborations And Development Agreements [Abstract]
License Agreements, Research Collaborations and Development Agreements	Note 10 - License agreements, research collaborations and development agreements The Company is a party to one license agreement to acquire certain patent rights and technologies related to its FISH product line. Royalties are incurred upon the sale of a product or service which utilizes the licensed technology. The Company recognized net royalty expense of $62,500 and $62,941 for the three months ended June 30, 2018 and 2017, respectively. The Company recognized net royalty expense of $125,000 and $132,186 for the six months ended June 30, 2018 and 2017, respectively. Annual future minimum royalty fees are $250,000 under this agreement.