Note 11 - Stock Repurchase Program (Detail) (USD $)	1 Months Ended	3 Months Ended
Aug. 31, 2012	Mar. 31, 2013
Stock Repurchase Program, Authorized Amount	$ 25,000,000
Stock Repurchased During Period, Shares (in Shares)		100,000
Stock Repurchased During Period, Value		$ 4,700,000

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.

+ References+ Details

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate 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.

+ References+ Details