Note 2 - Equity Method Investment (Details Textual) - Helomics Holding Corp. [Member] - USD ($)	3 Months Ended	9 Months Ended
Sep. 30, 2018	Sep. 30, 2018	Feb. 27, 2018
Equity Method Investment, Ownership Percentage	75.00%	75.00%	80.00%
Equity Method Investment, Summarized Financial Information, Revenue		$ 623,662
Contract Research Organization and D-CHIP Artificial Intelligence Products [Member]
Equity Method Investment, Summarized Financial Information, Revenue	$ 31,000

The amount of revenue from sale of goods and services reduced by sales returns, allowances, and discounts reported by an equity method investment of the entity.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 50
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721683-107760

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Period Type:	duration