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Note 12 - Earnings Per Share and Stockholders Equity (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013
Stock Repurchase Program, Authorized Amount	$ 2,000
Stock Repurchased During Period, Shares (in Shares)	1,238,887
Payments for Repurchase of Common Stock	$ 1,944

The cash outflow to reacquire common stock during the period.

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- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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