Note 1 - Summary of Business (Details Textual)	Jul. 02, 2015	Oct. 24, 2016 shares
Reverse Stock Split [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	7.131
Merger [Member]
Business Combination, Percentage of Combined Company Owned By Acquirer Immediately After Merger		54.00%
Business Combination, Number of Shares of Post-merger Entity for Each Share of Pre-merger Entity		19.3678009

Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SAB TOPIC 4.C)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187143-122770

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Stock Split
-URI http://asc.fasb.org/extlink&oid=6525746

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