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Note 2 - Tealstone Acquisition - Acquisition-date Fair Value of Consideration Transferred (Details) (Parentheticals) | Apr. 03, 2017 shares
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Tealstone Construction [Member] |
Common stock, shares (in shares) | 1,882,058

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- Definition Number of shares of equity interests issued or issuable to acquire entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b)(4) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 + Details
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