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Note 11 - Basic and Diluted Earnings Per Common Share (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Note 11 - Basic and Diluted Earnings Per Common Share (Details) [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	23,000		69,000
Stock Repurchase [Member]
Note 11 - Basic and Diluted Earnings Per Common Share (Details) [Line Items]
Stock Repurchased and Retired During Period, Shares	398,000	73,300	637,502	79,392
Dutch Auction Member
Note 11 - Basic and Diluted Earnings Per Common Share (Details) [Line Items]
Stock Repurchased and Retired During Period, Shares			193,907

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Glossary Antidilution



-URI http://asc.fasb.org/extlink&oid=6505113



Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Glossary Diluted Earnings Per Share



-URI http://asc.fasb.org/extlink&oid=6510752



Reference 3: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Glossary Contingent Stock Agreement



-URI http://asc.fasb.org/extlink&oid=6508534



Reference 4: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 260



-SubTopic 10



-Section 50



-Paragraph 1



-Subparagraph (c)



-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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Number of shares that have been repurchased and retired during the period.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef



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-Name Accounting Standards Codification



-Topic 505



-SubTopic 10



-Section 50



-Paragraph 2



-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644



Reference 2: http://www.xbrl.org/2003/role/presentationRef



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-Name Regulation S-X (SX)



-Number 210



-Section 04



-Article 3



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-Name Regulation S-X (SX)



-Number 210



-Section 02



-Paragraph 29, 30



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