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Note 10 - Amendment to Amended and Restated Certificate of Incorporation | 12 Months Ended
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Dec. 31, 2017
Notes to Financial Statements |
Stockholders' Equity Note Disclosure [Text Block] | 10 . Amendment to Amended and Restated Certificate of Incorporation In May 2015, our stockholders approved an amendment to our Amended and Restated Certificate of Incorporation increasing the authorized number of shares of common stock, $.01 par value per share, from 48,000,000 shares to 96,000,000 shares.

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 + Details
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