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Note 9 - Income Taxes (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2015 | Dec. 31, 2014
Note 9 - Income Taxes (Details) [Line Items] |  |
Effective Income Tax Rate Reconciliation, Percent | 34.00% |
Unrecognized Tax Benefits | $ 0 | $ 0
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit | $ 1,200,000 |
Earliest Tax Year [Member] | Domestic Tax Authority [Member] |  |
Note 9 - Income Taxes (Details) [Line Items] |  |
Open Tax Year | 2012 |
Earliest Tax Year [Member] | State and Local Jurisdiction [Member] |  |
Note 9 - Income Taxes (Details) [Line Items] |  |
Open Tax Year | 2012 |
Latest Tax Year [Member] | Domestic Tax Authority [Member] |  |
Note 9 - Income Taxes (Details) [Line Items] |  |
Open Tax Year | 2014 |
Latest Tax Year [Member] | State and Local Jurisdiction [Member] |  |
Note 9 - Income Taxes (Details) [Line Items] |  |
Open Tax Year | 2014 |

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- Definition The amount of the unrecognized tax benefit of a position taken for which it is reasonably possible that the total amount thereof will significantly increase or decrease within twelve months of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
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