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Note 8 - Earnings Per Share (Details)	3 Months Ended		9 Months Ended
Note 8 - Earnings Per Share (Details)	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Note 8 - Earnings Per Share (Details) [Line Items]
Common Stock to Dividend or Distribution Payable			1/6
Common Class A [Member]
Note 8 - Earnings Per Share (Details) [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	564,614	144,000	329,397	133,114
Common Class B [Member]
Note 8 - Earnings Per Share (Details) [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	31,564		17,772	8,566

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.

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