Note 2 - Equity Method Investment - Summary of Equity Method Investments (Details) - Helomics Holding Corp. [Member]	6 Months Ended
	Jun. 30, 2018 USD ($)
Revenue	$ 118,697
Gross margin	(25,539)
Net loss from continuing operations	(4,285,054)
Net loss to investee	$ (3,324,546)	[1]

[1] The loss to investee was calculated at 80% for the initial period of ownership, January 11, 2018 - February 27, 2018, and then at 75% for the remainder of the six-month period at the current equity investment percentage owned by the Company.