Note 2 Equity Method Investment (Details Textual) - Helomics Holding Corp. [Member] - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2018	Feb. 27, 2018
Equity Method Investment, Ownership Percentage	75.00%	80.00%
Debt Conversion, One-time Expense	$ 1.2

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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 (a)(1)
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant