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Transaction costs for repurchase of equity.

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No definition available.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Amount of stock repurchase plan authorized.

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

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Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

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Total cost of shares repurchased divided by the total number of shares repurchased.

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Note 14 - Stockholders' Equity (Details) - USD ($)		3 Months Ended		9 Months Ended
Note 14 - Stockholders' Equity (Details) - USD ($)	Jan. 08, 2015	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Feb. 11, 2015	Jan. 07, 2015	Dec. 31, 2014	Mar. 05, 2014
Note 14 - Stockholders' Equity (Details) [Line Items]
Stock Repurchased and Retired During Period, Value		$ 9,977,495		$ 18,179,176
Common Stock, Shares, Issued (in Shares)		10,727,380		10,727,380			11,135,825	11,329,732
Common Stock, Shares, Outstanding (in Shares)		10,727,380		10,727,380			11,135,825	11,329,732
Dutch Auction Tender Offer [Member]
Note 14 - Stockholders' Equity (Details) [Line Items]
Stock Repurchased and Retired During Period, Shares (in Shares)	193,907
Treasury Stock Acquired, Average Cost Per Share (in Dollars per share)	$ 18.50
Stock Repurchased and Retired During Period, Value	$ 3,587,280
Stock Repurchased Transaction Costs	$ 70,000
Stock Buyback Program 2015 [Member]
Note 14 - Stockholders' Equity (Details) [Line Items]
Stock Repurchased and Retired During Period, Shares (in Shares)		398,000		637,502
Stock Repurchased and Retired During Period, Value		$ 9,977,495		$ 14,522,087
Stock Repurchase Program, Authorized Amount						$ 20,000,000
Stock Buyback Program 2014 [Member]
Note 14 - Stockholders' Equity (Details) [Line Items]
Stock Repurchased and Retired During Period, Shares (in Shares)			73,300		79,392
Stock Repurchased and Retired During Period, Value			$ 1,100,000		$ 1,200,000
Stock Repurchase Program, Authorized Amount									$ 20,000,000