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Note 13 - Merger with Revett (Details) - Unaudited Pro Forma Financial Information (Parentheticals) - $ / shares | 3 Months Ended | 9 Months Ended
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Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2015 | Sep. 30, 2014
Note 13 - Merger with Revett (Details) - Unaudited Pro Forma Financial Information (Parentheticals) [Line Items] |  |  |  |
Diluted income (loss) per common share (in Dollars per share) | $ (0.03) | $ 0.00 | $ (0.07) | $ (0.01)

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- Definition The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2)-(3) -URI http://asc.fasb.org/extlink&oid=56956515&loc=d3e1392-128463 + Details
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