Note 2 - Equity Method Investment - Summary of Equity Method Investments (Details) - Helomics Holding Corp. [Member]	9 Months Ended
	Sep. 30, 2018 USD ($)
Revenue	$ 623,662
Gross margin	441,370
Net loss from continuing operations	(6,833,846)
Net loss to investee	$ (5,227,552)	[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 nine-month period at the current equity investment percentage owned by the Company.